look at the pagerank of this page which is 20 days old and has PR 3. Its mean PR update has been started. http://forums.digitalpoint.com/showthread.php?t=611351&page=2
1. Your DP profile is not PR5. 2. You actually care about your DP profile PR? 3. There are other threads for discussing PR.
if you don't Believe Me then look at this http://www.digpagerank.com/index.php?url=http://forums.digitalpoint.com/member.php?u=123229&dc=18
Yeah, its PR fluctuation, tomorow it will be 0 again, your profile is not 1 PR less than the main DP homephae...