VMware has updated its virtualization software for the Mac, VMware Fusion [1]. Version 3.1 enhances many of the features present in its most recent public beta, offering improved graphics performance via OpenGL 2.1 support for Windows 7 and Windows Vista, enhanced USB connectivity for your virtual machine with the new EasyConnect feature, and extended support for virtual hard disks up to 2 TB. The update also adds 8-way SMP, new OVF (Open Virtualization Format) tools, drag-and-drop capabilities in the installation assistant, and shortcut capabilities for opening your virtual machine's configuration file in a default text editor. ($79.99 new, free update, 432 MB)
[1]: http://www.vmware.com/products/fusion/