I have been interested in purchasing a navigation system for some time now, and have more music than any ipod could hold. (about 200gbs) I decided to look into installing a carputer in my new 80. For about half the cost of a new ipod/garmin, I was able to get it done. I am running a program called Streetdeck, allowing me to access my music, gps, videos and dvds... via a 7" touch screen monitor. Also has ability for, XM radio, backup camera, obd2 diagnostics, Internet. I will get to work on these soon enough. Setup was super easy, fused line to a relay that powers both the under the seat laptop and touchscreen. Sound runs through a cable into the back aux input of my head unit. I will get some more pics up soon.