A rails 3 application template which provides the gems I think are the best of breed.

Authentication

• devise

Testing

• rspec2
• capybara
• steak
• factory_girl

Frontend

• haml
• sass
• compass
• compass-susy
• jquery

Getting started

rails my_app -J -T -m  http://github.com/mcolyer/rails3-app/raw/master/app.rb
cd my_app
gem install bundler
bundle install
script/rails generate rspec:install

Origins

I have to admit, I didn't create this but started from this: Blog post