Running Windows in OS X is still cool, even if software like Parallels, VMware Fusion, and Boot Camp have been around for a while. Now though, Fusion has hit 2.0, which is a nice milestone. Performance improvements, better multi-monitor support, and more robust Unity features (that’s the feature that lets you “erase” the Windows desktop, so that your Windows programs appear right next to your OS X ones) make this a worthy upgrade. Here are the details:

• More Seamless with Unity 2.0: Application Sharing, Link Handling, Mirrored Folders, Driverless Printing, True Multiple Display Support, and Custom Keyboard Mapping
• Safer Windows on Mac experience with AutoProtect automated snapshots and a 12-month complimentary subscription to McAfee VirusScan Plus security software for Windows XP and Vista
• More Power with DirectX 9.0c with Shader Model 2 3D graphics, 1080p HD video playback, Multiple Snapshots, 4-way vSMP, and Better Linux Support (Unity & Easy Install)
• More Mac-like, More Mac-friendly with all new Welcome Screen, Virtual Machine Library and Virtual Machine Settings, Cover Flow and Quick Look integration, and Apple Help
• Mac OS X Leopard Server now is supported in a virtual machine on Mac hardware

If you already have a copy of Fusion 1.x running, you’ll be happy to know that this is a free upgrade. Otherwise, you can pick up Fusion 2.0 for $79.