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Creative GigaWorks T20 (or T40). There's really no need for a subwoofer with these badboys. :D
 
These Boston Acoustics are going to be some of the best sounding things under $200. I was truly shocked.

Other options:
Klipsch ProMedia 2.1 - occasionally available at your price point
Logitech Z-2300
Harman Kardon SoundSticks... don't normally suggest them, because they get tons of attention on here, but they are under $100 on Amazon right now
 
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