It may help Wii-like software sales, but may not help hardware sales -- if people can get the "original" Wiimote+ and Vitality Sensor experience at a cheaper price.
In general, Sony will have to come up with a new twist to the natural interface formula, unless they want to rely solely on capturing a small portion of HD upgraders for Wii.
In general, Sony will have to come up with a new twist to the natural interface formula, unless they want to rely solely on capturing a small portion of HD upgraders for Wii.