User blog comment:Susanolivia/Fixed Width, Sidebar, and the Removal of Monaco/@comment-1223442-20101008172020/@comment-4713673-20101008192155

If you'd like to try it out you can go to Preferences -> Skin and choose "Wikia New Look" -- once you switch over you can switch back to Monaco by going to Skin -> Preferences and choose "Monaco". You'll be able to switch back and forth until November 3rd.