i was looking at the Pioneer AVH-P4200DVD + AVIC-U220 Navigation Package for 650$ and also i was looking at the Kenwood eXcelon DNX6960 for 720$...but i do not know which i should get...also if you guys can give me better ones to look at my budget is 800-850...i would like one with built in navigation and front/rear/subwoofer outputs that are 3, 4volts or 5 volts...i am running two 12" kicker L7's with a zx2500.1 and interiors with zx350.4....any good recommendations are greatly appreciated i know kenwood, pioneer and alpine make great head units...preferably a double DIN if possible, this is for a 2005 chevy equinox...thanks once again guys