I've done a port of your awesome theme for gtk3. Hope u like it.. :) Here's the link http://grvrulz.deviantart.com/art/Elegant-Brit-gtk3-208925032 - May 15 2011

better say, the first gtk3 theme on gnome-look. There r quite a few on deviantart.. See these
http://grvrulz.deviantart.com/#/d3erqkz
http://drakfire86.deviantart.com/art/Adwaita-Drakfire-GTK3-Theme-206153442
http://gnome-shell.deviantart.com/gallery/29380653

these are the earliest.. :) - May 05 2011