its is an omnimount stand and I got it from circuit city:
http://www.circuitcity.com/ssm/OmniMount...roductDetail.do

It is 100 dollars cheaper than it was when I bought it. The only draw back at the time was that I paid $300 for it... looks like its come down in price some since then.

It is very sturdy and can support a lot of weight.

-David