I have become fed-up with shuffling windows around on my screen. I translate for a living, and code for university. I have a couple of university courses a week, and travel occasionally. To those of you with a 17", how often is "reasonable" to be traveling around with it? Do any of you attend the occasional university class with it? I currently own a 1400x1050 14" T60p. I work probably equally in an office and at home. Hence, the question becomes is better to have the 17" to have the screen space when away, but higher weight penalty. Is the 17" MBP a pain to lug around?