http://wiki.brainimaging.waisman.wisc.edu/index.php/SAS is obviously specific to one SAS site at the University of Wisconsin
http://wiki.ittoolbox.com/index.php/Topic:Sas-l appears intended as a SAS-L complement, which is precisely the idea which was discussed during the BOF at SUGI in March 2006. However, it seems to be nearly empty. Does anybody, particularly in the SAS-L community, know it exists?
http://wiki.binghamton.edu will have a significant Statistical Programming presence (notice [1] and [2]), though it will only be editable by the Binghamton University community.