I was wondering if anyone has tried this yet? I figured it should work since the TDP on the 3770 is 77W (which is lower than the 95W for the 2600-2700). If the lower TDP won't allow the 3770 can someone please explain why? I spent the past week searching for some kind of answer and all I can see is that people would rather wait for the 2012 iMac (spending unnecessary amounts of money when the 2011 can still be, potentially, spec'd out to the hilt. Thanks for reading.