Because my current graphics card runs burning-hot (past 100 *C) under load, I was hoping of getting a better, and hopefully cooler-running graphics card for Christmas. The overclocking features on my motherboard have been permanently disabled by the manufacturer (Gateway) making any kind of overclock to solve any bottleneck impossible. Will my C2Q Q9400 running on it's stock 2.66 GHz bottleneck a single GeForce GTX 285? Is a Corsair TX 750 (750W) PSU enough to power it? My motherboard only has a single PCIe 2.0 x16 slot, making SLI physically impossible. Approximately how much faster is a GTX 285 than a Radeon HD 4850? Personally, I would wait for the next-generation DX11 cards to come out, but without any ability to overclock, or buy a new processor without voiding the warranty, I would be left with a terrible bottleneck and probably lesser performance than with my current GPU. The new Core i9 processors are probably the only CPU's capable of correctly running the GeForce GTX 300 and Radeon HD 5000 series cards. Is there any way of telling if I have a CPU/GPU bottleneck?