Are you awaiting the next PR update for 2013?
Google PageRank update is expected to happen this month as per our predictions on When is the next Google Pagerank update for 2013. Even though Google Pagerank is still one of the important factor governing your SERP (Search engine results page) position it is not the only factor.
We have not yet got any confirmed information on the next Google PR update this year after the last confirmed update on February 2013. We are still keeping a watch on the news coming in on the Orangecopper webmaster forum but yet to get any confirmed results. we will keep you posted and update as soon as we have a change in rankings.