I just moved a self-hosted site from one domain to another, using Joost de Valk's instructions (sorry I can't provide a link).
The new site is displaying perfectly, but the wp-admin section is formatted horribly. All function, however, seem to be working fine.
You can see a screenshot at http://www.lanelester.com/wp-admin.png
I'm hoping you know how to fix this, because I'm clueless.