The video isn't 3DS, but DSi. 3DS will likely have additional 3D features. (Headtracking isn't really in the realm of 3D anyway)
Specs: intel i5 3570k @ 3.4GHz;
16Gb RAM; Raedon HD 7900;
Win8 64-Bit
16Gb RAM; Raedon HD 7900;
Win8 64-Bit