Nested ESXi/Hyper-V/KVM/XEN:
http://www.virtuallyghetto.com/nested-virtualization
http://www.virtuallyghetto.com/2015/12/deploying-nested-esxi-is-even-easier-now-with-the-esxi-virtual-appliance.html
http://www.virtuallyghetto.com/2015/08/how-to-vmfork-aka-instant-clone-nested-esxi.html
https://communities.vmware.com/docs/DOC-8970
vCenter Simulator:
http://www.virtuallyghetto.com/2013/09/new-vcenter-server-simulator-20.html
vRA & vRO Lab Setup Guides (just different flavors):
http://chansblog.com/vra/
http://www.virtxpert.com/vmware-vrealize-automation-application-services-series
NSX:
Shared storage on a Windows Notebook:
http://www.starwindsoftware.com
NFS / CIFS from vSAN:
Performance Tuning:
http://artykul8.com/2012/06/vmware-performance-enhancing/
Horizon View Display ProtocolsHorizon View MiscHorizon View UAGHorizon View Windows CustomizationNotebook LabNSX AutomationNSX Control PlaneNSX DesignNSX Distributed FirewallNSX Distributed RouterNSX InstallationNSX IntegrationNSX ToolkitNSX TroubleshootingOfficial TrainingTutorialsvRA Active DirectoryvRA CertificatesvRA Custom PropertiesvRA Datacenter LocationvRA EventbrokervRA HAvRA IaaSvRA Load BalancervRA Multi-TenancyvRA RolesvRA ScriptingvRA Software ComponentsvRA TroubleshootingvRA WebhooksvRA XaaSvRO AdvancedvRO Dynamic TypesvRO Guest ScriptsvRO REST APIvRO workflow start from external systemsvSphere Integrated Containers