Here is a great service from mypagerank.net
It's a free service too.
SEO Monitor is a stats system from SEO.
They update your stats every 7 days and you look updates in your Pagerank , pages indexed and backlinks !
All you need to do is create your SEO monitor and add the code in your page and look the info from your site .
They provide information on the following;
PR = Google Pagerank
GIP = Google Indexed Pages
GBL = Google Backlinks
YIP = Yahoo Indexed Pages
YBL = Yahoo Backlinks
MIP = MSN Indexed Pages
MBL = MSN Backlinks
Your report will look similar to this....
Click here to create your SEO Monitor
SEO Monitor demo :