There are several venders selling on Ebay who offer very nice frames at reasonable prices. I built up one for another forum member this summer and was impressed with the quality. The buyer loves the bike and hopefully will post with more information and the name of the seller.
Here are a couple of the models available:
http://cgi.ebay.com/Carbon-Bike-Road...item33564363cf
http://cgi.ebay.com/Full-Carbon-Road...item3ca66965c4