This feature of vi/vim along with not being able to save and quit as quickly as I can in emacs (ctrl-s ctrl-x, baby, none of that :q! shite) is the reason I use emacs. I totally respect those that use vim, but I'm not a freaking machine.
" remap <Leader> to ,
let mapleader = ","
" save with ,w
nmap <Leader>w :w<CR>