www.thinksecret.com
www.appleinsider.com
www.macrumors.com
All have very active forums with tons of ner..um very smart people that will help you out, so long as you post in exactly the opposite manner you'd post on NS, IE politely, nicely, with a very exact description of what's going on, and in the right forums.
I'd answer your specific hardware question, but to be honest, I don't know, so I'd be wasting your time.