Has anyone every tried integrating Google Services for Websites with their control panel? Any existing WHM plugin out there?

Isn't this just Google Webmasters?

If not, please provide me a link as I am a tad confused.

From the Google website, it appears Fatcow did.

http://www.google.com/webmasters/provider/studies/fatcow.html

Woops sorry, I only glanced at it, didn't realize that this was for the ability to offer the tools.