Currently i have an 09 13" macbook, with defualt hardware. At the moment i'm considering upping myself to a 500 gig/7200RPM and 4GB of ram, or would i be better off selling my machine and upgrading to the 2010 model. I would certainly appreciate the performance benefits of a enhanced GPU, even if the CPU upgrade is minimal. It would be nice to be able to play SC2 more fluidly and play a few rounds of TF2/L4D or Killing Floor with friends. What do you think? Upgrading will certainly be cheaper, but i can recoup a lost of the cost of a new MBP by selling my current one.