I think we need not worry too much about the PR, which Google would take care of. It has nothing to do with the traffic, sales,etc.. Unless you are going to sell your blog/website you need not worry about the PR. Keep updated with quality contents and do not involve in any blackhat activities.
Your website is not indexed it looks as though you have been banned just see for few days incase you do not get your PR back then that indicates you have been banned
Your site maybe have been ban but not updated. Just wait for a few days and you should see the results.
Well I hope Google does the update soon because a PR update every 4 months is pretty bad. Right now the PageRanks are all old and crusty. Almost like a sort of "link rot" phenomenon that tends to plague DMOZ.
I think it will come up. this is a temporary change, but didn't recieve such type of news yet that pr is updating at the present moment....