I made a removeable laptop table (for my powerbook) that slides in the ash tray opening. since the dash is plastic I added a support arm to cut down on vibration, out of PVC pipe with rubber tips. The GPS magnetic antanea sits on the base of the windshield, and plugged into the changer input of the stereo, plays ITunes through the speakers! (same plug for my IPod) great for long trips or finding new addresses, and easily removed when not needed, or playing ruff.
Would anyone like pictures?