How Much Will PlayStation VR (Morpheus) Impact PS4 Sales?

[bowserthedog]

OneKartVita said:
It will be like move or Kinect. It may well sway 1 or 2 million casuals. Ps4 and ps VR would be a good Xmas present.

I don't see how this appeals to casuals.  Its a large cost and nerdy.  It appeals more to the core.