for just cpu change, less than 300 but certainly more than 4. In just the 2 year from 2006-2008 before we exited to Rackspace we had more than a dozen cpu varia

for just cpu change, less than 300 but certainly more than 4. In just the 2 year from 2006-2008 before we exited to Rackspace we had more than a dozen cpu variants in production. We loaded the machines in a way where 'roughly' (with some hand-waving) things were the same for a given VM machine to machine, which allowed us to keep charging 20 bucks a month for the same instance regardless of which physical host it was on.