Best SEO and pagerank analyzing websites

Here are the best 2 SEO tools as far as i'm concerned:
Backlinks checker tool - http://www.backlinkwatch.com

• This tool will check and show all backlinks to your site and provide the pagerank to the backlinks linking to your site. It will show you "anchor" text, pagerank, total outbound links on that page, and nofollow flag for each of your inbound link available.
• It's a bit slow but it's worth

Website SEO Score Tool (website grader) - http://www.websitegrader.com/

• This is a comprehansive tool for checking how does your site rank for specific keywords as well as give you a site rank based on all website checks made.
• Furthermore it gives this complete list:
  Website Grade
  Google Page Rank
  Alexa RankTechnorati Rank
  Google Inbound Links
  Yahoo Inbound Links
  Delicious Saved Count
  Google Indexed Pages
• Also it gives some general SEO tips on how to improve your site search engine ranking