Wife comes from PC background, but she just got a macbook for Christmas. I want to get her a book to help with the transition, so I was looking at the "Missing Manual" books from David Pogue. I meant to order the "Switching to Macs" book, but accidentally bought the regular Snow leopard book instead. If anyone has experience with both, is there much difference between the two books? Would I be better off returning the Snow leopard book and getting the Switching to Macs one instead? Thanks!