A few new stylesheets have popped up today. Default, V9, and Classic Blue, which look pretty much the same as the regular sheets, except the boards have been turned blue, answering one of the more frequent complaints about the new design (too bright!).
If you're not sure how to try them out, just click the "Manage Account" link in the upper left corner of your screen, and adjust your Site Settings.
--- Once upon a time everything was lovely, but that was before I had to deal with people.