This is my proposed setup that i plan on using for my carpc. please make a comments on ways to make it better.

Want:
gps
radio
ipod interface
back up camera
obd

setup:
gateway netbook
-ssd drive swapped in
-1 tb hd for music
gps: BU-353 S4
bmw ebay backup camera
radio: Visteon 3000 or Directed HMHD1000
it seems like this is the only option for hd radio in the us that are the best, is this correct.