That's fair enough, I was genuinely considering that. I have another Raptor I can dig out to use with Vista, but with the 4870X2 installed I can only use 2 of my 6 S-ATA ports, which are filled currently. Additionally since I have no usable PCI slots either, I will need to buy a PCIe S-ATA card... I've been putting off Vista based on the fact that as an OS itself it seems like a hog. Hopefully with a Q6600 that will change. At the moment I think I may wait until a CPU upgrade before I switch to Vista, because based on the tests I've carried out I know that will help my scores. I posted the following update very late (or should I say early? hehe) this morning which puts the X2 in a far more favourable light - I just seemed to bug the driver by alt-tabbing multiple games several times, and having a game crash on me as well (Age of Conan) which always caused issues. "Update: post reboot, Crysis now averages 25fps maxed out at 2560x1600 versus the 21-22 I made earlier, and 18 I made with the solo card. Notably, I also get 25fps at 1920x1200 - looks like the CPU ceiling is lower than I thought. Got GRiD working at 60fps rather than 25, but there's horrific microstutter, I'm guessing that's the problem mentioned in reviews. Update 2: FEAR does work with crossfire, and was working before. I just so happened to have reached a point of the game that ran worse than the others. Frames are solidly 60+, typically 95-180. I think I was too hasty calling this card out perhaps. Bugs were annoying, but I think they were created by running older games... Update 3: Age of Conan is now working better, minor frame rate improvement, 23-25 from 19-21, but noticeable, but the textures are coming out in low quality (a bug I've always had with AoC) more often than usual. Fortunately, the crippling lag spikes seem far, far fewer than before. Adding to that, I get the same frame rate at 1920 as I do at 2560. Another CPU bottleneck? Suddenly I want that Quad core far more..."