I have about 200$ CAD to spend. I want to play WOW, but i dont know if my computer is up-to-date enough to actually play it. AMD Sempron 2600+ ASUS A7V400-MX Main Board 512M DDR 2700 RAM ATI 9000 PRO [i think 128mb if not 64] 80GB/7200rpm HDD i dont know what should i upgrade. Should I buy a new set of ram? PC3200? 512x2? or a new video card? Thanks for the help.