Had a glimpse of your mini-bio!
"A Witness is a dedicated computer that run 24/7 all year in order to make the backend work so you can blog!"
Yay! I finally understand what a witness is! :D (Imagine that!? After reading all those 'witness centric' posts!)
You got my vote.
Next step: Finding which witnesses are on Wire. :) (It kind of helps to have at least one that's reachable!)