Hi, I've been saving for a while now, and finally have a decent £500.00 to upgrade my rig with. I've currently got a gigabyte GA-P35C-DS3R mobo, core 2 due e8200, xfx 8800 gs 350mb, 4gb ocz (1066), 500 gb hd, 1 tb external hd, and a cheap but cheerful case. I initially bought this setup with the intention to overclock everything, but after going through the oc instructions for my set up in pc gamer magazine, I just kept getting bsod, then it would crash on boot so I had to reset the mobo batteries and every time I've attempted to oc the cpu or gpu I just get the same results :S So I've just left it at stock speeds, but with the emergence of crysis warhead its really showing its age, even gettin ctd on nearly all my games with anything over medium. (tested with empire total war, crysis warhead, cod wow & fallout 3.) I also returned a tablet of mine so I have £130.00 on top of that for any other components, but I would have to get em at pc world. The main goal here is to be able to play game like crysis warhead on enthusast with aa and get decent fps, 20-30. Any advice would be totally welcome as I'm really unshure about alotta things - if certain graphic cards will fit in my case, will my psu have enough 6 pin connectors, will the processors fit onto my mobo, should I buy proper conductor paste for the processor, will I have to also upgrade my ddr2 4gb ocz ram?