Whewwwwwww.. I nice set of stat's for SEO folks..take a look at this data set for one of the hotest valley blogs --follow the clues :)-

peterdawson.typepad.com/blog/2 ...

Browser share shows 51% running Firefox or Mozilla. That's plausible given ValleyWag's audience, but that's despite 80% running Microsoft Windows as their operating system. Impressive!