So you are looking to try a new VR headset? The FOVE 0, which features eye tracking is going on pre-order on November 2nd. It has head tracking, position tracking, and 120fps infrared eye tracking systems. It provides you with 90° ~ 100° field of view.
The headset weighs only 520g. It has HDMI, USB 3.0, and USB 2.0 connectors. More info is available here.