Go 64-bit! A medium instance is actually a very nice option for small deployments. Micro instances are throttled -http://gregsramblings.com/2011/02/07/amazon-

Go 64-bit! A medium instance is actually a very nice option for small deployments. Micro instances are throttled -http://gregsramblings.com/2011/02/07/amazon-ec2-micro-instance-cpu-steal/ http://gregsramblings.com/2011/02/07/amazon-ec2-micro-instan.... I, personally, do not maintain any 32-bit AMIs. The offer gap between a micro and a large instance for 64 was large enough for me to feel it.