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I also have a pair of these that I have no use for.
http://www.polkaudio.com/homeaudio/p.../recent/rt400/
I've had these for a while, and they definitely have seen some use (scuffs, etc). Not exactly a living room centerpiece, but would be perfect for a bar/garage/etc. They work just fine, and I take care of my stuff (eg: I never cranked the shit out of them). They've just been moved around a bit and have a few scratches/dings on them. It's quite possible that if you crank Sexual Healing on these, Frankenstein will come to your house and attempt to hump your leg. I assume no responsibility for any mental anguish these speakers may cause you if that happens.
$50 for both, they're just takin' up space. I'll also toss in some random 12" brand-I-forget half decent 2-way bookshelf speakers for free if you want them.