DiscCloud
Use Amazon EC3 as a virtual desktop cloud service for OS X clients.
DiscCloud virtualized Mac desktops inherit advanced features of popular virtualization platforms such as automated backup, high availability, storage scalability, desktop mobility, and desktop disaster recovery.
What's new in this version:
Token access to Amazon Cloud. Supports iCal, iTunes, iPhoto, Time Machine and entire Mac desktop hosting on Amazon Cloud for High Performance, Highly Available, backup, recovery, zero IT administration solution for professionals and small businesses.