I was actually just about to post a link to that site. I don’t know if the $200 ones on ebay are capable of delivering steroscopic 3D effects. Still, it looks like a neat toy that I would buy if I had the money. I’d be willing to bet that these will drop in price drastically in the next year or so. Remember the personal headsets similar to these that Sharper Image was selling a few years ago? They wanted about $1800 when those first came out. Now you can get something comparable for hundreds less.
On a side note; If cool toys like this keep being created, we may very well see something quite similar to the Virtual Boy in the future. The interest in 3D gaming is growing. It only needs to be more affordable. I have faith it will happen. It just might take a while.