There's a little rule in PC building: you can never have too much system memory. Over the years, we've found that to be as accurate as can be, and if you're looking for a quick upgrade with minimum outlay, additional RAM may be just the ticket.
OCZ Blade DDR3 PC3-17000 / 2133MHz
Corsair CMG6GX3M3A1866C7 Memory Kit
G.SKILL 4GB (2 x 2GB) F3-10666CL8D-4GBH
Cooling may be an afterthought for some, but those who love to overclock know exactly how important keeping things cool really is. From CPUs to RAM modules to GPUs, keeping your most important components cool can help your entire system run better (and more reliably).