I am getting ready to finally "make the switch" to Mac and I need a Virtualization solution to ease the transition for my wife and let me run my work environments as well. I have been considering VirtualBox (www.virtualbox.org) which is free for personal use, as well as VMWare Fusion 3, and Parallels. The satisfaction rating seems to be lower with the Parallels users (maybe disgruntled on charging folks for 2 upgraded within 2 months of each other) so I have almost ruled it out, but I still need to decide. The big thing here is that I need this software from day one to make sure my wife doesn't have to miss a beat during the transition. I'd rather not be reinstalling Windows _again_ in 2 weeks to switch solutions. Anybody have any experience with VirtualBox on Mac and can maybe share some of the shortcomings versus VMWare Fusion or Parallels? Is there good reason fork over the cash and go with Fusion or Parallels? Any feedback would be great.