Filed under: Ask Engadget, LaptopsWe know, the vast majority of you either graduated or got past one more wave of exams this past week, but there's no better time to buy a lappie for school than when you actually have time to enjoy it, right? "I'm looking to buy a laptop before I head off to college in a few months. I know there's too many choices out there in each category to ask for specific recommendations, but I'm wondering how current students feel about their machines. Is a subnote potent enough for university use? Is an ultraportable a better alternative? Or should I get a full-blown 15- to 17-incher as an all-purpose rig? My future GPA is hinging on your responses." Let's hear it, bookworms. Is that