Cloud Computing Comparison Engine
http://www.cloudorado.com/

Find the best cloud hosting provider for your needs within seconds. No search, no calculator, no effort. Use sliders to set minimum RAM, HDD, and CPU requirements for your cloud server. The result table will update accordingly with monthly prices from multiple IaaS cloud providers. You can also adjust required transfer rates and specify the maximum length of a subscription plan you are willing to prepay. Click Advanced mode for complex configuration requirements. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog. This will be added to Grid, Distributed and Cloud Computing Resources Subject Tracer™.