1. Vocal cord nerve detection for in game voices
2. Paralyzation effect
3. Near perfect visual and audio quality
4. Use of virtual "vocal cords" for AI voices
5. Minimal Latency between received movements and sent signals
6. An excellent virtual muscle detection system for extra body parts such as tails, wings, and cat ears.
This is what I personally expect of the NVG before its out of the Beta stage.