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Straight up, this is one of the most unique-looking, innovative gadgets you could have lying around your house for friends and family to drool over. It’s definitely got that wow factor. But at $900, it’ll also burn a hole in your pocket and won’t entertain groups like a $900 big screen would.

While the Sony HMZ-T1 personal headset is capable of some of the best 3D effects I've ever seen, it's uncomfortable to wear for extended periods and images suffer from blurriness.

With an excellent picture, and surprising comfort, the Sony HMZ-T1 Personal 3D Viewer is the best head-mounted display we've seen yet, but it's still an expensive novelty.

The HMZ-T1 is awesome. Really, it is, and I didn’t want to give it back. But I can’t justify telling you to go out and buy one ... even if you love 3D movies or gaming. I’m waiting for the lighter, more balanced follow-up product, with attached (or detachable) shades.

But the quality of the picture makes this a notable product. It provides the rest of the industry a standard to shoot for–and gives skeptics like me definitive proof that 3D video isn’t inherently unpleasant.

Sony’s Personal 3D Viewer is definitely a niche product. We can’t see many units selling -- it’s not a very sociable product, it can be uncomfortable and it really only appeals to 3D fans -- but if you can get it set up correctly it’s able to produce a good picture with excellent 3D depth.

While we really can't imagine head mounted 3D displays taking off in quite the same way that Walkmans did a generation ago, we rather like Sony's HMZ-T1 personal 3D viewer.

It’s not hard to tout the obvious benefit of the Sony Personal 3D Viewer, even at a $800 price tag: you get your own movie theater screen without needing a “man-cave” or having to readjust your living room.