So now on top of all the SERP craziness, I went to my blog and the toolbar PR has gone from PR3 to PR0 and this must have just happened as I checked at the last update and there were no changes and I saw it at the original PR3 just a few days ago.
It's very weird because this site still ranks #1 for most of it's keywords and many internal pages and has not been hit with the SERP issues like my other sites.
Also, another site I have which is newer went from PR1 to PR0 as well.
Could there be another update underway or is this some kind of glitch, checked with several tools and they all show same?
If this is a penalty on me personally, would they wait for an actual update or just lower the PR at any time?
Well, it is certainly odd what Google has been doing with regards to TBPR in the last two months.
I can confirm that there has been again changes in toolbar PR in couple of sites I am watching. All changes I am seeing affect internal pages and yet again all PR changes were between some PR --> no PR and no PR --> some PR