Call it a late Christmas gift or a New Year's present, but Matt Cutts confirmed the recent Google toolbar PR on Twitter the other night.
His tweet can be seen here. While you are there you might as well start following him for any other short sentenced pearls of wisdom.
Loren Baker over at Search Engine Journal gave some more details of the update. Hopefully your site got some lift from it. But as Loren points out the toolbar is not a truly accurate measure of PR.