The
PR update is not a priority for Google, according to GoogleGuy so I think we are going to be waiting a while for the next one.
Here is my take on why he stated it isnt a prority. After the rollout of the BigDaddy update it caused a huge mess with their index, sites lost
PR and had been dropped by the index. Now GoogleGuy did state they should have the update tweaked or fixed by the end of summer time (september) so I think this tweak (fix) is their main priority for now.
Its going to be interesting when the updates start rolling out, I have a big bottle of headache tablets just for the event