Linux Mint Cinnamon Post Install

Metro Theme - gets rid of the ugly grey/black menus

http://cinnamon-spices.linuxmint.com/themes/view/188

Cinna Dock Plus - Docky without all the dependencies
http://cinnamon-spices.linuxmint.com/extensions/view/23

Default gnome icons to get rid of the green.
Themes/Other Settings

Opera (Developer)  for Linux - Finally, Opera supporting linux again
http://www.opera.com/developer