VMware Fusion v4.1.1 Mac OSX

VMware Fusion 4 has been refined from the inside-out to give users the easiest, fastest and most reliable experience in running Windows applications on a Mac without rebooting. With over 100 new features including OS X Lion optimization, an even more Mac-like UI and next-generation 64-bit performance, VMware Fusion 4 is the best way to run Windows on a Mac without rebooting.
Homepage: http://www.vmware.com/