Anyone heard/own a set of MB Quart's QSD component speakers? There is an auction on eBay for 5 new pairs of QSD 216's for $589 http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1328827392 , which they claim are unopened. Does anyone think this is a good deal? The set retails for $1500.