Page rank prediction tool

As Google is going to update the page rank of the websites in the forth coming month, not sure yet,when , So I was searching on the internet , whether there is any page rank predictor tool which helps to predict the future page rank of the website, along with the percentage accuracy details, I search and found one and the name of the website is iwebtool , you can check the future page rank of 5 websites simultaneously . The location of the page is http://www.iwebtool.com/pagerank_prediction, just input your URL, remember to use www in front of the domain name and it will let you know the results within few seconds. I found this good enough. Give a try..Its free..