Looks like they are taking the Dragon Age 2 approach.
If you made a male protagonist, you have a female sibling. If you made a female protagonist, you have a male sibling. What happens to your sibling is up to you.
I don't give a damn about the motion controls and "walk around VR" so I won't get any value with the additional $200 for the Vive, but Oculus is being a douche. If the Vive was the cheaper one I'd buy it in a heartbeat.
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