A:AnswerThis is the "old" version but rumors say that there has been some tweeks in the sub-processor box to correct issues with PS4 Pros since the original version.
The new version is currently only in Japan and the way you can tell the difference is: There are 2 earbuds coming down from the band of the visor on the new version. The "New" version should also be about $100 more than the current version.
A:AnswerCan pre order it before it comes out of the PlayStation VR. On pre order u can pay money to pre order it when it comes out u pay for it. If not pre order u save money and buy it when it comes out
A:AnswerSony is building a massive inventory of their VR Headsets. This is the only reason for the long release delay, since its announcement. Sony wants to be sure everyone will find stock on release day one. No need to pre-order.