The second virtualization package for Intel-based Macs, VMware Fusion, is neck-and-neck with Parallels Desktop in overall capabilities. (Read more about it in VMware Fusion, p. 23.) Some of the standout features are:
Application sharing, which lets you open Mac files in Windows applications and vice versa
Multiple display support (up to ten displays)
Unlimited snapshots, enabling you to return to an earlier state of your Windows virtual machine
Easy file sharing between Mac and Windows, with mirroring of Mac OS X's Pictures, Music, Documents, and Desktop folders with their Windows counterparts
Support for running both 32- and 64-bit versions of Windows 7 and Mac OS X Server in a virtual machine
Driverless printing, ...