wheres the best place (online) to buy head units and what kind should i get?.. im looking for one around 150 dollars. i would like it to be new with instalation kit. ive been told pioneer kenwood and alpine are good. also i need aux input and usb would be nice dont need blutooth (sp) or xm radio just lookin to play my ipod and an occasional cd. also must have sub output. (i am running 4 speakers off my head unit if that means anything.)
