Like all you know, page speed with be a ranking factor in Google in 2010 and if you didn't believe it until now, maybe Google adding a page speed report to Google Webmaster Tools will convince you of that.
I figured I show you detailed screen shots of how slow this site is, using this tool.
As you can see from the chart below, this site is slower than 86% of the other sites on the Internet. The chart does slow slight improvement, but clearly, I need to clean things up here - quick.
Then Google shows me example load times for specific pages on my site:
Then Google offers speed suggestions:
I can drill down deeper on a specific page to see exactly what is suggested:
Figured I slam my own site over someone elses - why not.
Forum discussion at Google Webmaster Help and WebmasterWorld.