AGP is just a Windows's Driver. So, yes you can put a recent one in an older one... Me i like the ATI line, Their drivers are always up to date(Very Important). I have ATI Rage Furry(Really cooks with 3d Apps, Poser too!). And i have the Ati Wonder(Can capture Video with it too!). They do play games very well, if that's a concern of yours(Although, My games are mostly 'OpenGl' ones). RivaTNT2 are pretty good too. Oh! Forgot, the ATI cards have Great DVD acceleration(A must for me, cause i have a lot of DVDs that are imported...That i can only play on my CPU). Hope this Helps! Marc