Here's our story from starting out with .NET and then moving to Rails: http://www.infoq.com/articles/architecting-tekpub http://www.infoq.com/articles/architect

Here's our story from starting out with .NET and then moving to Rails: http://www.infoq.com/articles/architecting-tekpub http://www.infoq.com/articles/architecting-tekpub There are technical reasons and financial reasons for choosing either one. Have a read - hope it helps.