Add more Social Media stats, W3C / CSS validation, strong, em, a, ul/ol, pr flow, web 2.0, etc stats
Pull in Open Site Explorer stats, use web 2.0 stats, provide detailed social media stats and everything imaginable from the seomoz ranking factors page, distinguishing between on and off page SEO. On top of that, include W3C / CSS validation and page load speeds. Can you do this? It would make for an excellent tool.