Having the ABILITY to move seamlessly and without significant cost is absolutely critical. It gives you flexibility if the provider isn't keeping pace with the

Having the ABILITY to move seamlessly and without significant cost is absolutely critical. It gives you flexibility if the provider isn't keeping pace with the market and it prevents the provider from jacking prices relative to its competitors. Vendor lockin is awful. Hypothetically, imagine how stuffed you'd be if your core virtualisation provider jacked prices 500%! You'd be really hurting. ...ohwait.