Nono, my apologies. I should have been more clear in my first post. I will definitely be gaming on it, but that is not my primary purpose. My primary is for the Mac OS, but I will game consistently, let's say 2 hours a day, or more occasional than that... maybe randomly 3 hours a day, skip a day, 2 hours a day, etc.. sporadic is the proper term?
Andrew
well, if you are talking about sporadic gaming over intensive, that is an entirely different issue. you led off with handbuilt, water-cooled gaming rigs for goodness sake!
anyhow, short gaming periods of only 2 or 3 hours make that battery thing i mentioned moot (assuming it really is an issue). the only other concern might be fans. i don't like fans. i've never been bothered by my 13". but i also generally wear noise canceling headphones if i am watching videos or something like that (so much better than blasting my noise at my neighbors and fellow family members), so it is a non-issue. some people get really incensed by fan noise, though. if you are one of those, then the mbp as a gaming device might not be for you.