Hello, I'm considering to change my current iMac to a Macbook Pro, as I need more portability. I am working with Logic Studio, sometimes may turn some games on. So I'm thinking wether it's worth buying a 2.4Ghz new macbook pro 15" (the low-range model) or an old 15" or 17"version of 2.6Ghz or around that but that would also give me 8600 with 512 MB. Because the prices are quite similar now. I know the new macbook pro has got a better front-side bus, but will this make a big impact on doing what I do.. I'm not sure. Plus I'm not sure about the cache level on old macbook pros as the low range 2.4Ghz now has only 3MB, probly they won't have much as well... Just tell me what do you think