I would argue that the GMA Continuum-1 used is the best sub-$1000 speaker you can find. I bought a pair a few years ago for $800 and have been solidly satisfied since. There's pair for sale right now on a'gon for the same price:
http://www.audiogon.com/cgi-bin/cls.pl?spkrfull&1225774313&/Green-Mountain-Audio-Continuum
Good luck.
http://www.audiogon.com/cgi-bin/cls.pl?spkrfull&1225774313&/Green-Mountain-Audio-Continuum
Good luck.