When I did a comparison of co-located vs. managed vs. cloud my numbers broken down as such: co-lo: 1x cost managed: 1.5-2x cost cloud: 2.25-4x cost This was w

When I did a comparison of co-located vs. managed vs. cloud my numbers broken down as such: co-lo: 1x cost managed: 1.5-2x cost cloud: 2.25-4x cost This was with headcount changes figured into the pricing. (We did not see a head count reduction when using EC2) The primary advantage the cloud offered was that it was an operating expense without a contract, and that you could turn systems off when not used.