[bartz_daniel]

We also like & use most of those providers with our own food (http://comodit.com) to deploy/manage them, even if they are bare metal. We also mix them in hybrid cloud scenarios.

If curious you may have a look at http://www.youtube.com/watch?v=UBHSz3fOP-4&hd=1 where we mix an eucalyptus private cloud on physical server with AWS.