There’s a good chance that lots of people will use their TechNet licenses and Hyper-V for labs and self training. If so, you’re going to want a router or even routers. There’s been many options for a software router or "appliance" for VMware. I just did some searching and found a blog entry by Stefan Stranger on how to get Vyatta Virtual Router working on Hyper-V. It looks pretty straight forward.
Credit: Stefan Stranger.