Oracle VirtualBox release new version 4.0
Oracle has released version 4.0 ‘s VirtualBox (12/22/2010), in my opinion the best manager of VMs for use on clients Windows. If you want to know the reasons, see the post Using 64-bit VMs.
News focus on many aspects, but the interface approached more hyper-v and VMWare showing snapshots of the State of the machine:
Another interesting feature that did a lot of missing is the ability to call a VM directly by a shortcut, as we do with Windows Virtual PC (Windows 7), which is now possible:
To see the changes and download the software click http://www.virtualbox.org/wiki/changelog