Hey Mike, let me start off by saying, great job with this!!!
I tried out the beta 2 for a little bit tonight and I noticed that the display out works pretty good but I have noticed one issue.
I have my phone mounted in landscape with the dock connector on the left side. This causes issues with the apps touch control functions on the app radio. I did figure out that they all worked fine if I flip the phone over to have the doc connector on the right side.
I was wondering if you can make a toggle in the appradio extensions setting to designate which way the landscape mode is in, ie