You can't get more fps with a faster HDD because the CPU takes reads information from the HDD and calculates them everything in the ram so the HDD is pretty much "idle" during gameplay. Checking the ram frequency is pointless because he has a major cpu bottleneck and it's obvious the gpu barely gets information so the gpu would pretty much get into a power saving mode, forcing the ram & gpucore clock is only going to decrease the gpu load. A 5800 would run Wow easily with a load of 99% on gpu..