Offers a variety of very tiny fonts for web design. Available in Mac or PC formats.
Upload a font graphic (gif, jpg) and this site will identify the typeface used!
Another site that has some good fonts
A classic small bitmap font for use in small point sizes.
The Scourge of Arial (Article)
An interesting article highlight the history of Helvetical and Arial. Another good article on the same site is properly titled "How to Spot Arial."