EC2 Instance Type Cheatsheet – Pricing, Performance Comparison, Recommendations (copperegg.com)

Analysis and a link to an EC2 instance cheatsheet (e.g., cg1.4xlarge, t1.micro, c1.xlarge, cc2.8xlarge) with perf & cost details including cheapest cost per CPU, worst CPU steal, most expensive cost per GB memory, and the cheapest cost per CPU system.