http://www.processor.com/editorial/article.asp?article=articles/P2852/23p52/23p52.asp&guid=

“IDC estimates at least 75% of companies with 500 or more employees currently deploy virtual servers, and 45% of all new servers purchased this year will be virtualized.

The InfoPro’s survey of Fortune 500 and 1000 companies found that 85% of respondents cited virtualization technology as critical.

IDC found Linux is the fastest-growing platform for virtual machine deployments, accounting for 40% of the dollars spent on virtual machine software last year. Windows followed with 28%, and the remainder went to Unix and mainframe environments.

Gartner predicts in 2007 that power and cooling spending will exceed server spending. ”

Very interesting summary from this editorial which discusses vmware, and it’s impact, it’s set to change datacenter planning and will have an interesting impact on the traditional server operating system engineer role, I might ask for ESX certification rather than linux/windows….