Lil sis wants me to make a DVD player work in her Vibe, and I want to buy an HU that has rear RCA aux input. It was pretty common on all but the lowest models, now they all have proprietary accassory plugs that require at least a cheap adapter or worse, a module AND an adapter. Do any of you with their finger on the market know which HUs have rear RCA aux input? These days it's all about the front jack for the MP3 player. Ironocally in the 80s they had the same jack on cassette receivers so people could hear their Discmans. or is it Discmen?