Amazon has an EC2 AMI for deep learning that includes the most popular tools used for deep learning. Old news for everyone else, new news for me.

https://aws.amazon.com/marketplace/pp/B01M0AXXQB?qid=1475211685369&sr=0-1&ref_=srh_res_product_title

https://aws.amazon.com/blogs/aws/new-p2-instance-type-for-amazon-ec2-up-to-16-gpus/