diff --git a/rebuild-nix.sh b/rebuild-nix.sh
index e664024..cf91b74 100755
--- a/rebuild-nix.sh
+++ b/rebuild-nix.sh
@@ -1,19 +1,478 @@
 #!/usr/bin/env bash
 
-# Okay need to get the hostname and see if this exists in our list of items.
-
 hostname=$(hostname -f)
-
-if [ $hostname == "nixos" ] 
-then
-    echo "This distro has not been initialised"
-else
-    # Need to check if the nix file exists
-    if [[ ! -f "$hostname.nix" ]] 
+# Okay need to get the hostname and see if this exists in our list of items.
+start () {
+    if [ $hostname == "nixos" ] 
     then
-        echo "Your host does not have a config"
+        # no hostname defined. need to generate menu.
+        menuItems=(
+            "1. blade "
+            "2. W00072"
+            "3. W00149"
+            "Q. Exit  "
+        )
+        menuActions=(
+            setupBlade
+            setupW00072
+            setupW00149
+            quitApp
+        )
+        menuTitle=" New nixos instance detected. Please select a build to deploy."
     else
-        echo "Performing Build"
-        sudo nixos-rebuild switch -I nixos-config=./$hostname.nix
+        # Need to check if the nix file exists
+        if [[ ! -f "$hostname.nix" ]] 
+        then
+            menuItems=(
+                "Q. Exit"
+            )
+            menuActions=(
+                quitApp
+            )
+            menuTitle=" $hostname was not found in our configs. Please make one of move it into the folder."
+        else
+            menuItems=(
+                "1. Start Build"
+                "Q. Exit       "
+            )
+            menuActions=(
+                doBuild
+                quitApp
+            )
+            menuTitle=" $hostname was found. Proceed with rebuild?"
+        fi
     fi
-fi
\ No newline at end of file
+    menuFooter=" Enter=Select, Navigate via Up/Down/First number/letter"
+    menuWidth=60
+    menuLeft=25
+    menuHighlight=$DRAW_COL_GREEN
+    menuInit
+    menuLoop
+}
+
+setupBlade () {
+    hostname="blade"
+    doBuild
+}
+
+setupW00072 () {
+    hostname="w00072"
+    doBuild
+}
+
+setupW00149 () {
+    hostname="w00149"
+    doBuild
+}
+
+doBuild () {
+    sudo nixos-rebuild switch -I nixos-config=./$hostname.nix
+    return 0
+}
+
+quitApp () {
+    return 0
+}
+#
+# Public Functions
+#
+#   menuInit()
+#   menuLoop()
+#
+#
+# Public Variables to Override
+#
+# Should these get passed into menuInit() rather than be set as global
+# script variables?
+#
+#   menuTop     # Top row of menu (defaults to row 2)
+#   menuLeft    # Left offset for menu item text (defaults to column 15)
+#   menuWidth   # Width of menu (defaults to 42 columns)
+#   menuMargin  # Left offset for menu border (defaults to column 4)
+#
+#   menuColour      # Colour of menu text (defaults to DRAW_COL_WHITE)
+#   menuHighlight   # Highlight colour for menu (defaults to DRAW_COL_GREEN)
+#
+#   menuTitle   # Title of menu
+#   menuFooter  # Footer text of menu
+#
+#   menuItems   # Array containing menu item text
+#   menuActions # Array containing functions to call upon menu item selection
+#
+
+
+# Ensure we are running under bash (will not work under sh or dash etc)
+if [ "$BASH_SOURCE" = "" ]; then
+    echo "ERROR: bash-menu requires to be running under bash"
+    exit 1
+fi
+
+# Get script root (as we are sourced from another script, $0 will not be us)
+declare -r menuScript=$(readlink -f ${BASH_SOURCE[0]})
+menuRoot=$(dirname "$menuScript")
+
+################################
+# Private Variables
+#
+# These should not be overridden
+################################
+declare -a menuItems
+declare -a menuActions
+
+menuHeaderText=""
+menuFooterText=""
+menuBorderText=""
+
+
+################################
+# Setup Menu
+#
+# These are defaults which should
+# be overridden as required.
+################################
+
+# Top of menu (row 2)
+menuTop=2
+
+# Left offset for menu items (not border)
+menuLeft=15
+
+# Width of menu
+menuWidth=42
+
+# Left offset for menu border (not menu items)
+menuMargin=4
+
+menuItems[0]="Exit"
+menuActions[0]="return 0"
+
+menuItemCount=1
+menuLastItem=0
+
+menuColour=$DRAW_COL_WHITE
+menuHighlight=$DRAW_COL_GREEN
+
+menuTitle=" Super Bash Menu System"
+menuFooter=" Enter=Select, Up/Down=Prev/Next Option"
+
+
+################################
+# Initialise Menu
+################################
+menuInit() {
+    menuItemCount=${#menuItems[@]}
+    menuLastItem=$((menuItemCount-1))
+
+    # Ensure header and footer are padded appropriately
+    menuHeaderText=`printf "%-${menuWidth}s" "$menuTitle"`
+    menuFooterText=`printf "%-${menuWidth}s" "$menuFooter"`
+
+    # Menu (side) borders
+    local marginSpaces=$((menuMargin-1))
+    local menuSpaces=$((menuWidth-2))
+    local leftGap=`printf "%${marginSpaces}s" ""`
+    local midGap=`printf "%${menuSpaces}s" ""`
+    menuBorderText="${leftGap}x${midGap}x"
+}
+
+
+################################
+# Show Menu
+################################
+menu_Display() {
+    local menuSize=$((menuItemCount+2))
+    local menuEnd=$((menuSize+menuTop+1))
+
+    drawClear
+    drawColour $menuColour $menuHighlight
+
+    # Menu header
+    drawHighlightAt $menuTop $menuMargin "$menuHeaderText" 1
+
+    # Menu (side) borders
+    for row in $(seq 1 $menuSize); do
+        drawSpecial "$menuBorderText" 1
+    done
+
+    # Menu footer
+    drawHighlightAt $menuEnd $menuMargin "$menuFooterText" 1
+
+    # Menu items
+    for item in $(seq 0 $menuLastItem); do
+        menu_ClearItem $item
+    done
+}
+
+
+################################
+# Mark Menu Items
+################################
+
+# Ensure menu item is not highlighted
+menu_ClearItem() {
+    local item=$1
+    local top=$((menuTop+item+2))
+    local menuText=${menuItems[$item]}
+
+    drawPlainAt $top $menuLeft "$menuText"
+}
+
+# Highlight menu item
+menu_HighlightItem() {
+    local item=$1
+    local top=$((menuTop+item+2))
+    local menuText=${menuItems[$item]}
+
+    drawHighlightAt $top $menuLeft "$menuText"
+}
+
+
+################################
+# Wait for and process user input
+################################
+menu_HandleInput() {
+    local choice=$1
+
+    local after=$((choice+1))
+    [[ $after -gt $menuLastItem ]] && after=0
+
+    local before=$((choice-1))
+    [[ $before -lt 0 ]] && before=$menuLastItem
+
+    # Clear highlight from prev/next menu items
+    menu_ClearItem $before
+    menu_ClearItem $after
+
+    # Highlight current menu item
+    menu_HighlightItem $choice
+
+    # Get keyboard input
+    local key=""
+    local extra=""
+
+    read -s -n1 key 2> /dev/null >&2
+    while read -s -n1 -t .05 extra 2> /dev/null >&2 ; do
+        key="$key$extra"
+    done
+
+    # Handle known keys
+    local escKey=`echo -en "\033"`
+    local upKey=`echo -en "\033[A"`
+    local downKey=`echo -en "\033[B"`
+
+    if [[ $key = $upKey ]]; then
+        return $before
+    elif [[ $key = $downKey ]]; then
+        return $after
+    elif [[ $key = $escKey ]]; then
+        if [[ $choice -eq $menuLastItem ]]; then
+            # Pressing Esc while on last menu item will trigger action
+            # This is a helper as we assume the last menu option is exit
+            key=""
+        else
+            # Jumping possibly more than 1 (next/prev) item
+            menu_ClearItem $choice
+            return $menuLastItem
+        fi
+    elif [[ ${#key} -eq 1 ]]; then
+        # See if we wanrt to jump to a menu item
+        # by entering the first character
+        for index in $(seq 0 $menuLastItem) ; do
+            local item=${menuItems[$index]}
+            local startChar=${item:0:1}
+            if [[ "$key" = "$startChar" ]]; then
+                # Jumping possibly more than 1 (next/prev) item
+                menu_ClearItem $choice
+                return $index
+            fi
+        done
+    fi
+
+    if [[ "$key" = "" ]]; then
+        # Notify that Enter key was pressed
+        return 255
+    fi
+
+    return $choice
+}
+
+
+################################
+# Main Menu Loop
+################################
+menuLoop() {
+    local choice=0
+    local running=1
+
+    menu_Display
+
+    while [[ $running -eq 1 ]]; do
+        # Enable case insensitive matching
+        local caseMatch=`shopt -p nocasematch`
+        shopt -s nocasematch
+
+        menu_HandleInput $choice
+        local newChoice=$?
+
+        # Revert to previous case matching
+        $caseMatch
+
+        if [[ $newChoice -eq 255 ]]; then
+            # Enter pressed - run menu action
+            drawClear
+            action=${menuActions[$choice]}
+            $action
+            running=$?
+
+            # Back from action
+            # If we are still running, redraw menu
+            [[ $running -eq 1 ]] && menu_Display
+
+        elif [[ $newChoice -lt $menuItemCount ]]; then
+            # Update selected menu item
+            choice=$newChoice
+        fi
+    done
+
+    # Cleanup screen
+    drawClear
+}
+
+#
+# Public Functions:
+#
+#   drawClear()
+#   drawColour(colour = DRAW_COL_DEF, bgColour = DRAW_COL_DEF)
+#
+#   drawPlain(text, newLine = 0)
+#   drawSpecial(text, newLine = 0)
+#   drawHighlight(text, newLine = 0)
+#   drawPlainAt(left, top, text, newLine = 0)
+#   drawHighlightAt(left, top, text, newLine = 0)
+#
+#
+# Colours
+#
+#   DRAW_COL_DEF        # Default colour
+#   DRAW_COL_BLACK
+#   DRAW_COL_WHITE
+#   DRAW_COL_RED
+#   DRAW_COL_GREEN
+#   DRAW_COL_YELLOW
+#   DRAW_COL_BLUE
+#   DRAW_COL_GRAY       # Light gray (grey?)
+#
+
+
+# Ensure we are running under bash (will not work under sh or dash etc)
+if [ "$BASH_SOURCE" = "" ]; then
+    echo "ERROR: bash-draw requires to be running under bash"
+    exit 1
+fi
+
+
+DRAW_COL_DEF=39
+DRAW_COL_BLACK=30
+DRAW_COL_WHITE=97
+DRAW_COL_RED=31
+DRAW_COL_GREEN=32
+DRAW_COL_YELLOW=33
+DRAW_COL_BLUE=34
+DRAW_COL_GRAY=37
+
+
+# drawClear()
+drawClear() {
+    $ESC_WRITE "\033c"
+}
+
+# drawColour(colour = DRAW_COL_DEF, bgColour = DRAW_COL_DEF)
+drawColour() {
+    local colour=$DRAW_COL_DEF
+    local bgColour=$((DRAW_COL_DEF+10))
+
+    if [[ ! -z "$1" && "$1" != "" ]]; then
+        colour="$1"
+    fi
+
+    if [[ ! -z "$2" && "$2" != "" ]]; then
+        bgColour="$2"
+    fi
+
+    $ESC_ECHO "\033c\033[H\033[J\033[${colour};${bgColour}m\033[J"
+}
+
+# drawPlain(text, newLine = 0)
+drawPlain() {
+    if [[ -z "$2" || "$2" -eq 0 ]]; then
+        $ESC_WRITE "$1"
+    else
+        $ESC_ECHO "$1"
+    fi
+}
+
+# drawSpecial(text, newLine = 0)
+drawSpecial() {
+    [[ -z "$2" ]] && newLine=0 || newLine="$2"
+
+    draw_SetDrawMode
+    drawPlain "$1" "$newLine"
+    draw_SetWriteMode
+}
+
+# drawHighlight(text, newLine = 0)
+drawHighlight() {
+    [[ -z "$2" ]] && newLine=0 || newLine="$2"
+
+    draw_StartHighlight
+    drawPlain "$1" "$newLine"
+    draw_EndHighlight
+}
+
+# drawPlainAt(left, top, text, newLine = 0)
+drawPlainAt() {
+    [[ -z "$4" ]] && newLine=0 || newLine="$4"
+
+    draw_MoveTo $1 $2
+    drawPlain "$3" "$newLine"
+}
+
+# drawHighlightAt(left, top, text, newLine = 0)
+drawHighlightAt() {
+    [[ -z "$4" ]] && newLine=0 || newLine="$4"
+
+    draw_StartHighlight
+    drawPlainAt "$1" "$2" "$3" "$newLine"
+    draw_EndHighlight
+}
+
+
+# Write escape sequence with no newline
+ESC_WRITE='echo -en'
+
+# Write escape sequence adding newline
+ESC_ECHO='echo -e'
+
+
+# Move cursor to specified location
+draw_MoveTo() {
+    $ESC_WRITE "\033[${1};${2}H"
+}
+
+draw_StartHighlight() {
+    $ESC_WRITE "\033[7m"
+}
+
+draw_EndHighlight() {
+    $ESC_WRITE "\033[27m"
+}
+
+draw_SetDrawMode() {
+    $ESC_WRITE "\033%@\033(0"
+}
+
+draw_SetWriteMode() {
+    $ESC_WRITE "\033(B"
+}
+
+start;
\ No newline at end of file