Today's release of amazon cloud formation has to make the Galaxy Cloud stuff a bit easier: http://aws.typepad.com/aws/2011/02/cloudformation-create-your-aws-stack-from...
In theory with a description file like this:
https://s3.amazonaws.com/cloudformation-templates/CloudFormationSample_WordP...
Once can define an entirely cluster to bring up from custom .amis with a single click. Exciting.
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