i'll save ya'll the trouble.... www.millionbuy.com i bought the jensen 6.5" touchscreen dvd/tv player thing and it works perfectly. i have no clue about all those amps and junk, but look on that website for savings.
http://www.millionbuy.com/jenvm9021ts.html (the one i bought)
the only con is that since it's online, it takes a couple days til you get it.