I have not noticed any changes to mine. I quit looking until now. I think I will quit again. There changing it so much its hard to keep up with.
Have not noticed any PR update yet, but i am hoping!! I think maybe some internal pages have gone to pr 2 and 3's of my main site, which is cool, still hoping on my main site and blog.
you know, i've started hating PR updates now.. I mean seriously.. they are so freaking random *GAAAKH*