I am a fan of the Valentine 1's. Can't beat the arrows and they are constantly updating the features and they have upgrade programs.
You can see the install in my MKC here:
http://www.mkcforum.com/forum/electronics-audio-lighting/20298-valentine-one-installed.html
You can see the install in my MKC here:
http://www.mkcforum.com/forum/electronics-audio-lighting/20298-valentine-one-installed.html