Looks like I'm going to have buy an iPod, ah well, I think that was inevitable. As far as install goes, I'm going to try to do it myself. I got the stereo removal guide for my vehicle (07' Xterra), the bypass seems pretty straightforward, iPod cable > glovebox is easy.
The only thing I don't really know how to handle is the GPS receiver and microphone. Where do you typically mount these? Under the dash (GPS), Top Left corner of the windshield (Mic)...