If you are serious about SEO then you need Firefox and some crucial Firefox SEO extensions.   My setup involves running the latest version of Firefox and the following extensions.

1. SEOpen Firefox Extension
1. Shows backlinks, pages in index, alexa, server headers, keyword density and more with a click of the mouse.
2. SEO for Firefox Extension
1. Shows competitive data directly in the SERPs! (A must have)
3. Google Toolbar
1. Shows Page Rank without any effort

Thanks to Mozilla, I have a browser that supports what I need.