Oy, a holy war is about to happen.
I'll open the Emacs lobby with http://sites.google.com/site/steveyegge2/effective-emacs and http://sites.google.com/site/steveyegge2/the-emacs-problem
To give the illusion of fairness, here is a blogpost in which I praise Vim: http://zipwith.blogspot.com/2010/05/power-of-vim.html