It's unknown if IDC is counting any x86 server that supports virtualization as part of a private cloud upgrade or just the ones that say "Only For Cloud Computing" on the box.
EMC pitches private clouds
EMC World 2010 kicks off today with a heavy lean towards the private cloud. Hopefully the storage giant will be able to clear up some of the confusion and show the world what that may mean with specifics. It certainly means that EMC and others can cheerfully call any IT function they like "cloud," and there is plenty of that to be expected this week.