For those of you who like to make pretty architecture diagrams, this might be for you. Veeam provides a FREE collection of VMware and Hyper-V virtualization Visio stencils that can be used by ESX administrators, system integrators and datacenter managers to create their own diagrams in Microsoft Visio 2003, 2007, 2010 or 2013 as part of your Hyper-V or VMware deployment planning.

You can download those stencils here: http://www.veeam.com/vmware-esx-stencils.html