Hamburgers. Top or bottom bun?

Do you fancy the mouthfeel of a glazed, smooth top bun with teeth sinking into it, or the bottom bun that soaks juice?

I personally really fancy the top bun, especially when melted cheese and slippery burger sauce and lettuce insulate it from disintegration. I like the mouthfeel rather than the sog. The sesame seeds are awesome too. Now if I could have two top buns ...