It's fun to see what each page is in terms of Page Rank however a lot of you people act like its going to effect your search rankings. You are aware that page rank updates all the time - however its just the toolbar page rank that is updated 3-4 times a year.
internal page's pagerank can update without pr update. homepage page rank can decrease/drop/return back without update.
Still, 4 months without a visual toolbar ranking is pretty bad. Google is no longer showing relevant information about webpages (pagerank) to it's visitors. 3 months is OK but any longer is getting really bad. This is the longest amount of time I've ever seen between a pagerank update.
Last major PR updation was on 28th of May 2009 so it was expected to be done on 28 of July 2009 or on 28th August 2009 but i didn't see any major page rank updation after 28th of May. Ya i have seen some PR updation before few days in internal pages but i am not sure that was major updation.