jk feels a little faster.
n addition to n addition to # (use "git add <file>..." to include in what will be committed)
" Easy way to exit insert mode.
inoremap jj <Esc>
+inoremap jk <Esc>
" Also for command mode, thanks to http://github.com/mitechie/pyvim
" (2010-10-15).
cnoremap jj <C-C>
+cnoremap jk <C-C>
" Disable arrow keys for all modes except command modes. Thanks to James Vega
" (http://git.jamessan.com/?p=etc/vim.git;a=summary).