Hi all, this'll be my first post here. I'm currently a sophomore in college, computer science major, and I'm debating between a 13 inch MBP and a 15 inch MBP. Oh, it'll also be my first mac. I kinda want the 13 inch just for the weight because I carry my laptop almost all the time (at the moment, I have a frigging 6.7 pound laptop that I lug around everywhere), but I'd like the screen real-estate of the 15 inch + the power it has. I do a bit of gaming (StarCraft II; nothing heavier than that). I don't do video encoding/editing or photo editing, but since I'm in a graphics class, I might render a little (though even this laptop can handle it without a problem). So what do you all think? 13 inch vs 15 inch for this situation. Also, I'd like to know your first impressions with either machine if you'd like to share.