I gotta lay it down for all those who want "3D" on the handheld.
No. Plain and simple, leave that for the consoles. If they shoot the graphics past the DS compatibility, they will lose out on a large amount of sales. Do not expect that to happen until GF is 100% sure they can take the hit.
While I see where you are coming from (and I don't care which system a new game is released on), I disagree.
GF might take a hit, but Pokemon games in the past have sold very well and have convinced people to buy counsels. With the 3DS sales not quite doing as well as (IMO) Nintendo would like, I think that making a new generation Pokemon for the 3DS makes perfect sense.