I currently use a 2.8 Octo Mac Pro at work. I also have a 1.8/SSD MacBook Air that I use at home. I frequently find it beach balls when I have FireFox and VMWare running. Sadly it just doesn't seem to have the power I need. I think this is mainly limited by the 2GB of RAM. I'm looking at picking up a MacBook Pro but I'm not sure which will work best for my needs. If I'm not playing games do I really need the Nvidia 9600m discrete graphics? I'm not sure how much the 256MB of shared ram on the low end 15" will affect me. I plan on giving the machine 4GB of RAM for sure and maybe 8GB as prices drop. I used to have a aluminum 15" 2.4 MBP but sold it a little over a year ago. It was a great machine and makes me wish I had kept that one. Which MBP would you recommend I get?