It's possible to play on one monitor. It's not pretty though. You'll want something like bongos or bartender to resize the action bars if you can't see them well. Also, clearfont is a wonderful mod that can make your text larger so you can actually read it. Here's a screen shot of what my split screen looked like last time I took a screen shot:

http://www.dual-boxing.com/forums/in...=105&type=page