Hello All, I know this may have been discussed a half dozen times on this forum already - I've received so many conflicting answers over the course of my research...I thought I'd just take a minute and post something. Please help! I have a pretty stock Mac Pro 5,1 with the following specs: Dual Quad Core Intel Xeon E5620 @ 2.40GHz 6 GB of 1066 MHz DDR3 ECC SDRAM 1 TB (7200 RPM, 32 MB cache) 3Gb/s Serial ATA hard drive ATI Radeon HD 5870 graphics card 27" Apple Cinema Display at 2560x1440 I play my games (BF4, Max Payne, Rising Sun...etc.) mostly on the Windows side of things...Windows 7 through bootcamp to be exact. It's been great for the last two years! I've noticed some of my games running a little slow lately, so I took the plunge and purchased a EVGA Nvidia 680 GTX Mac Edition in hopes of giving my system a couple more years of good gaming. I would be incredibly grateful if you guys here on MacRumors could answer a few questions for me. I have yet to find a definitive answer for the following: 1) Does the Windows 7 side of things (with my current setup) utilize everything the Mac side does? In general, am I getting the same computing/GPU/Memory power out of Windows as I do Mac? 2) Will my current CPU bottleneck my new Nvidia GTX 680 (and if so how much do you think?) 3) What is the general consensus on the GTX 680 as a gaming card in a Mac? 4) Does anyone else here with a Mac Pro 5,1 (w/ a similar setup to mine) have a GTX 680? If so, could you share some of your benchmarks?