GPS

[Rednex]

You might want to look at the Pioneer F90T. I agree that Kenwood has a much better nav than the Pioneers, but the new pioneer is the closest thing you can get to aftermarket Microsoft Sync right now. It's all voice controlled for the IPOD and the Bluetooth Phone. I.E. "Play Artist Johnny Cash" or "Play Fulsom Prison Blues" and it just works. Very nice unit. Having that sort of flexibility allows me to overlook a lesser nav ability.

[Pahrump]

I am a cheap bastard and went with the Kenwood 5120 its great...the Garmin GPS is perfect, plays DVDs perfect once you ground the wire, works great as the backup camera, with the sirius receiver I can still use my factory antenna, the factory sub works, steering wheel controls work with the adapter. I went this route cause it was only like $600 and I dont need a hard drive, it has a USB cord and I can use a flash drive for music.