Right now, the official plan is that the controller and the system are 1:1 packaged together and neither will be sold alone.
However, they are still looking into the possibility of expanding to a two controller setup.
Anyways, it won't sell for anything above $300, and I entirely expect them to try getting it as close to $250. People need to remember, though, that $250-$300 is less than it was even five years ago, and incredibly less than 10-20 years ago. At $300, it's still considered very competitively priced in comparison to the NES, SNES, N64, and GCN's launch prices of $200.
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