Wulffmorgenthaler is one of the web comics I follow religiously through my feed reader. The other day their comic didn't want to load. I tried following the link to their page, only to be presented with One of the coolest error pages I've seen. Of course, we all strive to keep our sites up 24/7. Still I think it is a sign of greatness to be able to put a smile on the lips of your readers even when your service your service is down.