In terms of performance, what is it like running Windchill 10.2 in a virtualized environment (e.g., VMware vSphere)?

According to the following guide , it seems that Windchill running well in a virtualized environment

   http://www.vmware.com/files/pdf/techpaper/PTC_Deployment_Guide.pdf

Questions:

     1. Are there some folks who run their Windchill 10 Production system in a virtualized environment?

     2. What are pros and cons of running in a virtualized environment?

Thanks for the help in advance.