For any of you designer/paper peeps out there who have not yet discovered What the Font?!, this site is pretty faboo.
If you've ever looked at a webpage or a brochure and wondered "what font is that?," this is your one-stop-shop. You can paste a url or upload a particular file, hit "enter" and then BING, BAM, BOOM, voila, they identify the font for you. Pretty darn nifty.