As they are hosted on EC2 couldn't you use Amazon Cloudfront with them without too much trouble and with no latency issues? http://aws.amazon.com/cloudfront/ ht

As they are hosted on EC2 couldn't you use Amazon Cloudfront with them without too much trouble and with no latency issues? http://aws.amazon.com/cloudfront/ http://aws.amazon.com/cloudfront/ The main issue would be integrating Cloudfront with Rails not getting it to run on Heroku. (A quick search doesn't show much support for using Cloudfront with Rails in general)