I got my MBP 2.3 Ghz ATY Radeon X1600 in 2008. Will I be able to play WoW: Cataclysm? I was going to get more ram (2->4 Gig) and get a bigger hard drive, but I don't want to if my online gaming is dead at this point. Aside from gaming challenges, the computer works well. Thanks for any input.