I have not seen any changes on my sites.  It seems google does rolling pagerank changes now rather then over night changes pre-caffiene style.

your date of 6/29 is inline with a major shift that we experienced across client sites and our own. all changes were in positive directions, a lot of replacement pages that have old urls redirected to them got PR.
we saw pr drops on some of our leased link sources and in some cases we renegotiated or cancled the buy.

yeah i also got the last update at January 2011.. after that i can't find any new update again..