Dock Webclip Icons

Wouldn't it be cool if the Dock in Mac OS X adopted the same technique of icon building for websites as the iPod Touch and iPhone do?

I rarely drag a URL to my Dock anymore because I can't differentiate from one springy looking icon and another without mousing over for the always-truncated popup text.

Well ... gimme that same (or similar) icon you're feeding to the iPhone and iPod Touch and viola! We now have visibly different URLs in our Docks.

Nice.

Wonder if there's a shareware app out there that can manage this rather obvious piece of intuitiveness.