Are you enrolled in college? If so, you have enough expenses already -- tuition, books, parking, beer, and so forth. The last thing you want to do is spend even more money on software, hence why your PC is filled with open source software. That's one option, though if you'd prefer to roll with Office, it might not cost you a dime. Microsoft just introduced a self-serve model for students and teachers that lets them claim Office 356 at no cost.