If you don’t like EC2 you have an option to move your app to a new vendor. But if you don’t like GAE  (Google app engine) there aren’t any solutions which can replace GAE easily.
AppScale might change that.
AppScale is an open-source implementation of the Google AppEngine (GAE) cloud computing interface from the RACELab at UC [...]

Last week I spent a few hours building a search engine testing tool called “BlackboxSET”. The purpose of the tool was to allow users to see search results from three different search providers and vote for the best set of results without knowing the source of the results. The hope was that the search engine [...]