I’ve been working with some @font-face options, and found that most of them don’t look very good in the browser window. Font Squirrel has a full page of kits (including otf or ttf, woff, and eot files). I went through the serif and sans serif options and tested as many as would display. Here’s the list of the ones that looked good on a live page (on Win7, FF 3.5, Safari 4, and Chrome):

Sans Serif
Serif
http://www.fontsquirrel.com/fontfacedemo/Bebas