Cheap Mobile Media

[LovemyProtege]

I was wanting to put in a pioneer 6400, or a MA audio MA700. Does anyone have any different opinions or suggestions on this

http://www.audio-trader.com/car-audio/ma-audio/mobile_video/

http://macworld.pricegrabber.com/search_getprod.php/masterid=588373/ut=449e0912f39a10d7