I'm looking to upgrade to a head unit compatible with Iphone. I do not want to cut the car up and would like have the option to return to it to stock. What head units have you guys used and can you offfer me any feedback. I'm looking for instructions,tips and suggestions on removing the stock head unit without breaking anything as well as ideas on the least damaging or insulting points to find switched power and well as a dependable ground. I would appreciated any suggestions/tips/pointers you guys may have to offer. Thanks for your time. KD