I am looking into those Ziess. The Epson's Seem Too Hard to See from What I Have Researched. With the Clear Lens I Can't Imagine That Works Good in Full Sunlight.
FatShark Dominator HD's currently have the widest field of view. Should be out in two weeks and I'll probably be getting them from a local dealer.
Would be amazing if DJI added support for the Oculus Rift to the Vision app. Parrot just announced that they have added support for Oculus Rift with their new Bebop drone. Oculus rift blows away any of the FPV goggles as far as image quality and field of view and has head tracking.