This whole update is meesed up – dont be suprised to it move up and down for a while till its fixed.
Alot of sites, including some of mine had had all there inner pages updated with pr but not the homepages ( i have read many others have had this also on seochat)
ive seen many sites go to pr0 then pop back up and also many people have had there homepages de-indexed from google – including google and ebay lol
so i think this update is far from over