💀💀💀 switched to Neovim; see pda/config-neovim 💀💀💀
Nicely commented .vimrc, 256-color, and a useful set of plugins managed by pathogen.
I run it in tmux inside (non-Lion) full-screen iTerm2 with xterm-256color profile.
# backup what you've got
mv .vim .vim-backup
mv .vimrc .gvimrc .vim-backup
# grab from GitHub
git clone --recursive git://github.com/pda/dotvim.git .vim
# symlink the rc file into your home directory
ln -s .vim/vimrc .vimrc
Some posts that helped me in the early days: