Windows 8 Build 7989 contains a number for new features

• Storage
  Virtual Fibre Channel Adapter
  Storage Resource Pools
  New .VHDX virtual hard drive format (Up to 16TB + power failure resiliency)
• Memory/Processor Enhancements

Support for more than 4 cores! (My machine has 12 cores)
NUMA – Memory per Node, Cores per Node, Nodes per Processor Socket

• Netwroking Enhancements

Hardware Acceleration (Virtual Machine Queue & IPsec Offload)
Bandwidth Management
DHCP Guard
Router Guard
Monitor Port
Virtual Switch Extensions
Network Resource Pools

Among the features are also Hyper-V 3.0 and the .VHDX virtual drive format
hypervisor-based virtualization system for x86-64 systems, will allow us to see self contained AppV applications.
If this is correct, and if Microsoft does include Hyper-V 3.0 in Windows 8, this could potentially
make Windows 8 a huge game-changer when it comes to virtualization.