I have been using Parallels since ver3. I had Ver 6 on MB Pro, purchased Retna with 10.8, tried to use Migration Assistant to move everything. When complete said Parallels 6 does not work with 10.8, thus did not transfer. Can I upgrade Ver 6 to 7, then somehow manually move all required files to new Retna, without starting over with Migration Assistant (took 7+ hours)? Is it possible, what files to move??? TIA