Hi, A friend of mine is willing to sell me his macbook pro for $500 because the screen is damaged (I guess it is cracked internally). Everything else seems to work fine. The specs are: 2.0 ghz 1gb memory 100gb hard drive etc. What do you think, is this a decent buy at $500? I was thinking of updating our powermac g4, but was looking at an imac or something. So let me know. I have a day or two to decide. Thanks!