Hideki Kamiya from Platinum games already expressed a strong desire to make a StarFox game. I wonder why he hasn't jumped on the opportunity yet.

Retro wouldn't be bad I guess. I don't think Platinum will get a shot though, their design philosophies IMO are pretty far off from what Miyamoto likes.

Platinum Games

TW101 was very Miyamotesque. They said Metro was already doing something elese.

The gameplay will likely be developed in-house (it is one of Miyamoto's projects after all), but I'm guessing he wants a team that will handle solely the visuals of the game. In that regard, he'll probably grab a studio like HexaDrive or DigitalScape (both worked on Wind Waker HD for texture/modeling/animation support).

Sin & Punishment 2 by Treasure was the best Starfox game since the N64 one, and it wasn't even a Starfox game.

Platinum or Treasure.

Should be developed by Nintendo, and Nintendo only

To me, Namco isn't even on the same level as Nintendo internal devs

Nintendo Japan.

Agreed.