No global pricing has yet been announced. The device will launch firs in the US with other regions to roll out later, but no hint as to when. Nevertheless, you can pre-register your interest in the device (as long as you also own the pre-requisite Samsung Galaxy Note 4 phone on which it relies) right here. Samsung claims that this first ‘Innovator Edition’, much like the Oculus Rift Development Kit, provides developers and enthusiasts everything they need to build and experiment with the platform before the hardware and software are ready for consumers”.
…this story is breaking, details will be added as they arrive.