Ease of use — especially for prototyping ideas. It's easy to push a git repo to heroku and have it fire up your site — but if you've already got a fabric script

Ease of use — especially for prototyping ideas. It's easy to push a git repo to heroku and have it fire up your site — but if you've already got a fabric script to do the same thing with EC2, then that might be the better approach for you.