On the other hand, Parallels is pushing closer Mac integration and better 3D graphics support. With the previous release of VMware Fusion 5 Professional, VMware started differentiating its products from Parallels by tapping its established, IT-oriented features. You'd think there's only so much you could do with a program that hosts another OS, but these new updates are surprising for their innovation. It's that time of year: a new Windows release is coming, with Mac virtualization application updates in tow.