This looks like a very good place to jump off if you are new to NSX or just need to catch up or branch out!
Become a VMware NSX Expert Today
If you’ve wanted to learn about VMware NSX, a L2-L7 networking and security virtualization platform entirely in software, and didn’t know where to start, this is the guide for you. Already an NSX user, and want to improve on your skills? This is also a great resource to becoming an NSXpert!
Dennis Bray's Virtual Place 