Purchased a new 15" MacBook Pro. So far so good with the keyboard, but had problems with screen flicker. Took the MBP in for Apple Genius service and after 2 separate send-away-for-repair incidents, MBP coming back with no new parts, the local Apple Store gave up and just gave me a new MBP as replacement. Of course I still had the screen flicker with the replacement Some digging on the Internet led me to the conclusion that the problem is in Mac OSX software, in combination with the new Radeo...