# install virtualbox
curl -O http://download.virtualbox.org/virtualbox/4.1.4/VirtualBox-4.1.4-74291-OSX.dmg
open VirtualBox-4.1.4-74291-OSX.dmg

# install new vagrant
sudo gem install vagrant

# get chef scripts
git clone git://github.com/cloudbuilders/openstack-cookbooks ~/openstack-cookbooks

mkdir ~/cache
mkdir ~/cache/stack # git repos are cloned here and shared via nfs
mkdir ~/devstack
cd ~/devstack
curl -o Vagrantfile https://raw.github.com/gist/1297044/devstack.rb
vagrant up
# you will need to enter your password for creating nfs shares

# when it is finished you should be able to access dashboard at 192.168.27.100