camfowler's Vim for Rails
$ git clone https://github.com/camfowler/vim.git ~/.vim
$ git clone https://github.com/gmarik/vundle.git ~/.vim/bundle/vundle
$ ln -s ~/.vim/vimrc ~/.vimrc
Then, from inside Vim, run a
:BundleInstall
Restart Vim, and you are ready to go!
See Vundle for more information.