My MacVim setup.
VimL
Fetching latest commit…
Cannot retrieve the latest commit at this time.
Permalink
Failed to load latest commit information.
bundle
colors
swap
.gitignore
.gitmodules
README.md
vimrc

README.md

~pda/.vim/

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: