In source your EC2 instances
http://www.mooreds.com/wordpress/archives/000557
If you have built a killer application on Amazon Web Services, you may reach a point where you don’t want to continue to use them. I can think of any number of reasons you may want to migrate your servers.
It may be because you’ve reached the 20 server instance, or because you want more control, or because you want to buy your own machines and spend money on a system administrator instead of paying Amazon, or because there’s something that you need customized that’s ‘behind the curtain’ of AWS.
