There are a few sites and tools you can use to check any sites page ranking. They almost all include an option to generate some code to include a reporting counter on your site, some of them are pretty nice. I have added some to all my sites just to be able to keep an eye on this value. Here is a list of some of the nicer sites providing this sort of tooling:
- PR Checker
<a href="http://pr.blogflux.com/"> <img src="http://pr.blogflux.com/pr.php" alt="Google PageRank Checker - Page Rank Calculator" width="80" height="15" border="0"> </a>Good luck with your page rankings!