So we bought our TC as basic as it can come. We found we really wanted/needed a backup camera. So we started looking around and here is what we came up with.
All told we spend about $300 or just under.
First we replaced the radio with this one:
http://cgi.ebay.com/7-double-2-din-touch-screen-dvd-car-stereo-Ipod-camera-/310289054054?pt=Car_Audio_In_Dash_Receivers&hash=item483eab3966
We paid about $160 for ours. This is a pretty neat little deck, it play DVDs, CDs, connects to Ipods, and best of all it has full Bluetooth. The radio we got has a broken microphone so we can use the bluetooth execpt to check voicemails, but it works great for that. The seller is sending us a new unit.
Then we bought this camera:
http://cgi.ebay.com/ebaymotors/Ford-Transit-Rear-View-Camera-Back-Up-Reverse-Vision-_W0QQcmdZViewItemQQfitsZMakeQ3aFordQ7cModelQ3aTransitQ20ConnectQQhashZitem230c844817QQitemZ150533851159QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories
Then we bought a kit similar to this one, but it was only about $30
http://cgi.ebay.com/ebaymotors/2010-UP-FORD-TRANSIT-RADIO-DASH-KIT-COMBO-99-5824B-/140479647388?pt=Car_Audio_Video&hash=item20b53d4e9c
We put it all in and this is what it looks like: