> Have you looked at http://www.skinz.org?  It contains > alternative UIs to a
> growing list of almost 50 popular applications.  And > (according to Alexa)
> it's an extremely popular web site.

No, I haven't. Thanks for the ref -- its very interesting.  I note that slashdot is likewise an extremely popular web site, but wouldn't consider it to be an indicator for what the mainstream marketplaces demand.