<3 dual monitors. you get much more screen real-estate with two 20" (OMG, that's still a big monitor, i'm on my laptop's 12" right now :P) than with one 24". I had dual monitors for about 6 months before one of the crapped out, and I was forced to go back to one. Of course, it really depends on what you are doing. I do a lot of research and being able to read on one screen and type on another is really nice. multiple spreadsheets are <3 w/ dual monitors. My impression is that quite a few games are getting into supporting more than one monitor, which has to be cool (though the game i'm playing now is sopwith, a 1980s 2d flying game, so i'm not exactly up with the whole gaming thing.)