Currently I try to do some front end designing and am messing around with fonts. These two sites are very helpful: http://thinkclay.com/technology/cufon-sifr-flir
The first describes the techniques currently available for embedding fonts (so you get a 1:1 image of any font you want on any browser)
The second describes which fonts are browser safe and has example screen prints of these fonts being used in different browser on different platforms: