Hello all! I've run across something interesting/puzzling and was hoping someone could help me out. I have my rMBP hooked up to a Thunderbolt display, and under win7; i'm seeing less fps performance using the external display than the retina display at the same settings. I'm specifically noticing this in Battlefield 3, where the difference is about 10fps between the two (retina faster). Just curious if anyone had any thoughts why this might be the case? Thanks and happy holidays!