There is a review here http://www.infoworld.com/d/virtualization/virtualization-showdown-vmware-workstation-vs-sun-xvm-virtualbox-735 http://www.infoworld.com/d

There is a review here http://www.infoworld.com/d/virtualization/virtualization-showdown-vmware-workstation-vs-sun-xvm-virtualbox-735 http://www.infoworld.com/d/virtualization/virtualization-sho... Basically they are all pretty similar, if you use it in a serious environment there are probably more tools and consultants that will tune Vmware server for you, but for ordinary use it's probably a wash.