My stock head unit is starting to take a dump. When I try to turn the volume down it jumps up by as much as 6 bars... (its been doing that for over 2 years). Now it was acting like it wasnt going to spit my cd's out yesterday. So, I think I may be purchasing a new head unit in the very near future. I cant decide whether or not I want to stick with a double din unit or go with a single din. I want something with bluetooth and hd radio. I am very tempted to get a touch screen dvd/cd pioneer unit, but they are so expensive! I am not going to do anything else to the stereo system, just swap head units. Any suggestions?