I've used better versions of Google Cardboard but that's it, not any actual VR headset or GearVR. It's just something I've imagined since a kid, and the Rift obviously sparked my interest. A big thing when it came out too on Kickstarter was the Virtuix Omni - I actually backed it the first day it came out, and then within 24 hours they had around a million dollars, so I cancelled it and just figured I'd get one when it came out. That was probably over 2 years ago now, and they still haven't shipped, so I'm glad that I did cancel - however I'm interested to see the reviews when they actually go out to consumers. I can't imagine it will be worth the hefty pricetag beside a VR headset, especially since you can walk around with the Vive, but the concept is cool at least.