SharePoint 2010 is now available via Azure Infrastructure as a Service. (Iaas) As you start to think about cloud deployments and migrations, keep this knowledge handy.

Windows Azure Virtual Machines— Virtual Machines give you application mobility, allowing you to move your virtual hard disks (VHDs) back and forth between on-premises and the cloud. Migrate existing workloads such as Microsoft SQL Server or Microsoft SharePoint to the cloud, bring your own customized Windows Server or Linux images, or select from a gallery. As a common virtualization file format, VHD has been adopted by hundreds of vendors and is a freely available specification covered under the Microsoft Open Specification Promise.”

http://blogs.msdn.com/b/windowsazure/archive/2012/06/06/announcing-new-windows-azure-services-to-deliver-hybrid-cloud.aspx