VDI is today's SBC.  Is it a silver bullet for IT folks?  No.  More on VDI here and here.

Desktop virtualization harks back to the good old mainframe days of centralized computing while upholding the fine desktop tradition of user empowerment. Each user retains his or her own instance of desktop operating system and applications, but that stack runs in a virtual machine on a server -- which users can access through a low-cost thin client similar to an old-fashioned terminal.

Link here.