You can't always find them, but you may want to try to find some older monsoon planar speakers. They're pretty decent little computer speakers. I picked up a pair with a small sub for under 100 about 4-5 years ago. Still work great.

PeachTree 65se, PeachTree D5 and SVS SB1000 - Stereo
M80s, M22s, SVS PB3000