The recent EC2 pricing change presents a compelling case for switching to reserved instances instead of on-demand instances. Provided you have the capital avail

The recent EC2 pricing change presents a compelling case for switching to reserved instances instead of on-demand instances. Provided you have the capital available to manage the upfront cost (and the confidence in your ability to pay for at least 1 year), the cost savings of switching to reserved instances are substantial. Hopefully this tool will help some of you save time when making the comparison.