http://blogs.technet.com/msukucc/archive/2009/06/05/updated-combined-role-hub-cas-scaling-guidance.aspxWell, its been a long time in the making and I for one have been waiting for a long time for this data to be published publically.  I was fortunate enough to be taught by Bill Thompson at the ECoE during my Masters rotation and he went through someen-USCommunityServer 2.1 SP1 (Build: 61025.2)