Very cool stuff, found your articles to be well presented and very educational!
Would be interested in seeing if you are able to profile VR mode (e.g. oculus rift) vs Regular to see if the way the rendering happens can be optimized, in its current state, it can easily drop from e.g. 180+fps to below 60 with the same resolution (hmd sp 100). Given that 75+ fps is the requirement going forward from DK2, there will need to be some miracles found here 