I have talking to a lot of people about VDI lately, and it always comes back to the storage.
The following is an example of exactly what I have been talking about. A 21000 user site changed their VDI strategy, and one of the key factors was storage.
"We are in the process of virtualizing 21,000 desktops using VMware VDI," said Tom Petry, director of technology at the District School Board of Collier County. "We have seen firsthand the manageability and control VDI brings to a desktop computing environment; including the security and business continuity benefits of centralizing our desktop infrastructure in our world class data