Can someone explain the appeal of VR Headsets to me?

[Sleepyprince]

Troll_Whisperer said:

It's not like sitting really close to a TV because your head movement is 1:1 with the characters moments and the world is rendered all around you, so you feel like you're in it. For example, if your character is falling you actually feel your stomach going up as if you were really falling because the brain freaks out.

That's why you see reactions like this:


Or like this:

Or these:

Are these fucking reactions real Oo ? Or marketing bullshit ? Has someone here already tried it out ?

Because if it's real => My god...

Racing games, Halo, Flower... DAMN. I'm excited.