What Google Tries to do? before 2 day was my site PR4 yesterday dropped to PR3! very dispointed but now i woke up i found my site unranked! and very popular site also unranked also yahoo and google lol what's wrong? can anyone tell me the trick or what they planning to? (remove pr)
They might still be working out where to put your site. Just keep getting links and you should be fine.
Updates are happening at the moment, dont worry your PR should be back up in a couple days, loads of people complaining about it.