Methodologie is kind enough to share their 'Web Canvas' with all of us in the design community. Their Web Canvas is a grid that displays screen resolutions and the percentage of users that are capable of viewing the different screen resolutions. Their statistics are fresh (August, 2009) and based on numbers from http://thecounter.com and http://marketshare.hitslink.com
I've added this little gem to my delicious bookmarks... I think it'll be a helpful little tool when starting new projects or when I'm wrestling over what screen resolution to design for. All of this info and our own design experience seem to support the notion that in many cases size matters ;-)
Here's the link to the Methodologie Web Canvas...