All i can tell you the plan works, cause i would never buy anything as weak as the wii. In between the GC and Wii the hardware improved quite a lot. If a console maker does not give me the benefit of that technological improvement i wont buy it.
It be like buying a 58" tv today with the resolution and colors of a 1999 one, hell no.
I wonder how wii2 will work or wont on the market.