Ignite 2015 was full of new information about Hyper-V. Check out some of the many talks about (or related to) Hyper-V. I'm sure I inevitably missed a few talks/interviews. If there are any great ones I'm missing, leave a link in the comments.
* See also: Information about Windows containers from Build and Ignite
The Future Microsoft Datacenter/Fabric
Mathew John and Jeff Woolsey -- Platform Vision & Strategy (2 of 7): Server Virtualization Overview
Philip Moss -- The Power of Windows Server Software Defined Datacenter in Action
Andrew Mason and Jeffrey Snover -- Nano Server: The Future of Windows Server Starts Now
Dan Harman and Jeffrey Snover -- Remotely Managing Nano Server
Hyper-V Nuts and Bolts
Ben Armstrong and Sarah Cooley -- What's New in Windows Server Hyper-V
Senthil Rajaram and Jose Barreto -- Hyper-V Storage Performance with Storage Quality of Service
Ben Armstrong and Rob Hindman -- Upgrading your Private Cloud to Server 2012R2 and Beyond
Aidan Finn -- The Hidden Treasures of Windows Server 2012 R2 Hyper-V
Matt McSpirit -- Migrating to Microsoft: VMWare to Hyper-V and Microsoft Azure
Jeff Woolsey -- Preparing your Fabric and Applications for Server 2003 End of Support
Cheers,
Sarah