I have the new 2.4ghz 13'' MBP. Although I don't do graphic designs or use any heavy programs, I want to have a relatively good laptop to play games sometime (not the newest games of course). I think the low end 15 would suit my needs, and considering the price difference for upgrading, it's almost as much as an iPad. I know this is a dumb question to ask, but I just want to know what everyone else prefers so it can help me decide.