http://www.gr-research.com
Best bang for your buck bar none. These speakers will hold up to ones 10x their price.
I am also an authorized builder for them if you need flat packs or cabinets made.
When I do the home theater in the new house, there will be a new set of GR Research speakers with a Pioneer Elite Receiver and probably a HK Amp with all 10 gauge cabling. I get all of mine at
http://www.bluejeancable.com