For everyone who uses the same old dashboard everyday, it can feel a bit dull and demotivating, like your WordPress admin isn’t the most inspiring place to work. So here are some few plugins which can provide you with a brand new WordPress admin experience like you’ve never experienced before. These themes, usually installed in a form of plugins, give you a brand new experience to your WordPress admin dashboard. With these simple tweaks, you can start to have a productive day ahead.
Retina Press for example, is a plugin that brings modern design and Google webfonts to your WordPress dashboard. It has a custom login pag, and JQuery accordion menus for smoother animation.
Read the rest of the theme list here: http://wpmu.org/7-clean-and-inspiring-wordpress-admin-themes/