http://www.softlayer.com/servers_dpmc_compare.html
http://www.softlayer.com/downloads/SL_Opteron2000.pdf
http://www.softlayer.com/servers_dpmc.html

Opteron 2000 QC Series Available July 07
Speeds listed from 1.9-2.4.
Strange, 8 x 512k for 8 cores (dual socket system).