Microsoft has released Windows Intune Beta as part of Microsoft Online Services

Windows Intune simplifies how businesses manage and secure PCs using Windows cloud services and Windows 7—so your computers and users can operate at peak performance, from virtually anywhere.
Windows Intune is a comprehensive solution that includes PC management, malware protection, Windows upgrades, and more.

Use the Windows Intune cloud service beta to:
Manage updates
Protect PCs from malware
Proactively monitor PCs
Provide remote assistance
Track hardware & software inventory
Set security policies

The Windows Intune client software is supported on both 32-bit and 64-bit versions of:
Windows 7 Enterprise, Ultimate and Professional
Windows Vista Enterprise, Ultimate, and Business
Windows XP Professional Service Pack (SP) 2 or SP 3 (recommended)
The Windows Intune client software has no additional hardware requirements for Windows 7 or Windows Vista-based computers. However, to install the client software on Windows XP-based computers you will need a CPU clock speed of 500 MHz or greater and at least 256 MB of RAM.
You will also require Administrator rights on the computer to complete the Windows Intune client software installation.
To access the Windows Intune Web console, administrators will need access to a Web browser that supports Silverlight 3.0, such as Internet Explorer 7.0 or higher.

  Windows Intune Beta