I love SEO PowerSuite and Website Auditor is a key piece of that package. This is one of my first tools to process a website when I am doing SEO for a client. It gives you a good baseline and overview of what to fix in the technical side of a website. The single page reports help refine the onpage SEO and the reports are great!
Tons of data!!
the license update scheme, but, makes sense for them to make $