Passed along by John Wigger:

I’m currently redesigning my site to fit more of the important stuff ‘above the fold’ and in so doing I’ve been researching a few things to check on that.

Google has a tool that is fairly interesting for that. This feature google set up seems to be pretty handy for seeing how folks with varying resolutions will see your site. From Google’s Browser Size team:

The content you are trying to access is only available to members.