The book covers Hyper-V 2008, System Center Virtual Machine Manager (SCVMM) 2008, App-V (formerly Softricity SoftGrid), Terminal Services, MED-V (formerly Kidaro Managed Workspace), Microsoft Assessment & Planning Toolkit and even the technologies that Microsoft is trying to market as profile virtualization: User Profiles, Folder Redirection and Offline Files.

Some chapters are very basic (for example the one about MED-V) while others are pretty detailed (like the ones about Hyper-V and SCVMM).
Overall, this book is without doubts the best overview available today to understand the Microsoft virtualization offering.