Off the shelf 3D HDTVs may still be a bit expensive from a consumer's point of view, but they're a downright bargain compared to the usual high-end virtual reality gear. This gave some researchers at UC San Diego a bright idea: they've paired a $2,300 Samsung 3D TV with a half-silvered mirror and a touch-feedback controller for a haptic-enabled heads-up virtual reality system (or HUVR) that costs just $7,000 (without head tracking). What's more, they say their system actually outperforms the PARIS HUVR system developed twelve years ago (and still in use),
