Some webdevelopers like to stick with web safe fonts, but I'm really into @font-face CSS property. I have accumulated a list of websites that provide fonts for free.
Download Hundreds of Free @font-face Fonts
From Font Squirrel
@font-face and 15 Free Fonts You Can Use Today
Smashing Magazine released 20 free fonts.
More Smashing Magazine Fonts:
Download Free Fonts for Windows and Macintosh.
Web design Ledger releases free fonts quite frequently, here is a list of their articles.
The comic is awesome, the art is awesome, the fonts are now free and awesome!
I have not yet time to go through this resource, but seems legit.
Great free vintage fronts.