It seems that Google Toolbar PageRank is being updated. The update is being reported at WebmasterWorld Forums and also at Search Engine Roundtable Forums. People are talking about their PageRank being changed. Sometimes the PageRank drops by 1 and at times there have been increase also. In some cases many interior pages are also seeing change in the PageRank. Interior pages of some have seen a jump from 0 to 4 while some have seen decline for the pages. Some members are also saying that till now update has been only for small sites but not for big and new sites.