SAP's distributed landscape proves effective in vSphere

SAP Solutions on VMware vSphere - Best Practices

Virtualization Security - Achieving Compliance for the Virtual Infrastructure

Monitor and enforce network traffic within your virtual datacenter from James

City of Norfolk hit with code that takes out nearly 800 PC's

http://www.networkworld.com/news/2010/021810-city-of-norfolk-hit-with.html

PC On A Stick/Secure Virtual Desktop From IronKey And Lockheed Martin

Cisco Nexus 7000 Series Virtual Switch Configuration Guides from Chainman

For anyone looking for an alternative to ESXi check out Citrix XenServer. It has a good feature list and is also free.