Just in case this is your first experience with PowerCLI here are some pointers to help you out.
- Read the Getting Started Guide – Overview and sample scripts
Some Videos from Yavor Boychev PowerCLI Engineering to get you started
Overview – Getting Started
VMware also Provides Training and Support for PowerCLI
vSphere PowerCLI Training http://vmware.com/go/vsphereautomation
vSphere PowerCLI Scripting Support http://vmware.com/go/sdksupport