Citrix has realesed XenClient after a long period of beta testing.
Here you can find more information about it: http://www.citrix.com/English/ps2/products/product.asp?contentID=2300325
XenClient is a high-performance, bare-metal hypervisor that enables users to run multiple instances of an operating system simultaneously, side by side, and in complete isolation. XenClient uses the same core technology as Citrix® XenServer®—a proven technology widely acknowledged as the fastest and most secure virtualization software available. To ensure the highest levels of performance for the user, XenClient builds on Intel® vPro™ hardware virtualization technology.
Citrix® XenClient™ enables virtual desktops to go. Desktop virtualization is rapidly being adopted as the best way to deliver Windows® desktops to business users. Now, organizations can extend the benefits of desktop virtualization to mobile users, for new levels of portability and security. With XenClient, laptop users can take multiplevirtual desktops with them and work from anywhere, anytime.