The first time I logged into a Nexus 7000, I was a bit intimidated, as there were enough differences between it and the 6500s that I had been more comfortable with in the past. Here are some tips to try and make the transition a little easier.
The concept of network based virtualization has typically been focused around logical overlays placed on a consistent physical architecture. VLANs, GRE, MPLS, and VRF allow network engineers the ability to create constructs within the network to virtually segment resources. While this is a powerful tool, the Nexus 7000 takes the capacity of the network to virtualize itself to a much higher degree.