My current PC specs are in my signature, and I primarily play World of Warcraft (1080p). My video card is hitting 100% utilization and my RAM is 90%+ utilization. I don't think a full rebuild is necessary at this point, so I am hoping you guys can give me recommendations. Is there a DDR3 16GB kit that you would recommend? A different Radeon video card? I've been out of the loop for a bit now.