New backend uses node and grunt along with the shopify theme manager. I can develop locally and keep it in git. Grunt watches the changes and the shopify theme manager uploads the new files. So I'm able to develop locally with haml and sass and deploy to my Shopify store as I work.
Here's my local dev setup: http://i.imgur.com/cb0WuDH.png
New backend uses node and grunt along with the shopify theme manager. I can develop locally and keep it in git. Grunt watches the changes and the shopify theme manager uploads the new files. So I'm able to develop locally with haml and sass and deploy to my Shopify store as I work.
Also using https://github.com/toolsforliving/foundationify to integrate Foundation with Shopify. It's a good setup for anyone that needs to make an e-commerce site.