Do you know that building link too fast will hurt your SEO, and why dont you buy link / leave comment maybe 50 per days and no need to bother the PR update? P.S. I hate the stupid question too, especially those thread starter who repeat the same thread before they search
When was the last Google PageRank (PR) update? What is the next PageRank update time? As we all know, Google doesn’t disclose any indications about PageRank when it will next update. However, if you can do a research from the history of PageRank update time, you will find that Google is getting a regular schedule for the PageRank updated again. Google PageRank Update History and Prediction
It took around 2 or 3 months to update the pr, so always build your backlinks and wait for the increment of pr!
stay tuned. usually there are lot of noises when the PR is updated. many people will post the breaking news