Looks nice!!
I did the exact same thing with an otherwise useless iPod and DashCommand.
DashCommand has an easy (ish) to use editor so you can rearrange gauges, get rid of ones that don't work, make your own, etc.
Here's mine:
[DashXL.net] Tuxedo Landscape ZED4M1
In the car:
http://www.zpost.com/forums/showpost...8&postcount=10