I had that reaction to my brother's Vive too. It was really amazing. But that doesn't matter. I probably wouldn't spend more than $30 on one. Despite being blown away, there are no compelling games and it gave me a headache.
This is possibly because the interpupillary distance wasn't correctly calibrated for your eyes, which means you didn't get the correct scale and depth of things (hard to notice explicitly except that your brain doesn't like it).
