Thanks for all your opinions. I am upgrading the head unit to a Pioneer AVIC Z130 with XM and steering upgrades. I chose the Kenwood camera because I like the OEM look and fit. I would not want to have a problem with a unit that cannot be warrantied at this point. But, this is just what I liked. I have a similar head unit in my Corvette we mod and I show. As far as the 3M tape, it is a great product and it will come off with a simple combo of goo gone and fishing line or dental floss. It is used in lots of OEM applications. My bodyside mouldings on the Vette were installed by the factory with that tape. They have since easily been removed for a cleaner look. Also, my very special Carvagio rear spoiler, held on with 3M tape. Wouldn't even think of any drilling or screws. But, again, I am a newbie here and want to thank everyone. I am sure I will need more help.
Laurie