Wii U games will go for $60 each, and will be available as downloadable games and physical discs.
From PAX Prime 2012 and a Wii U conference, it states that Wii U games will sell for an average of $60, which is the average price for console games.
About $60. The total cost for the Wii U and its controller is $180.
The Wii U is a different console to the Wii. The Wii U however is compatible with Wii games and accessories.
No, the Nintendo Wii cannot play Wii U games
Yes, the Wii U console can play Wii U games
No, the Wii cannot play Wii U games. It's actually the opposite - the Wii U can play Wii games.
No, the Wii U cannot play Nintendo DS games
Wii U games cannot be played on the Wii.
No, you would need a Wii U and a Wii U game Pad to play Wii U games.
No, you would need a Wii U and a Wii U game Pad to play Wii U games.
If by this you mean "How much will a Wii cost in 2012?" then probably about $100. If by this you mean "How much will a Wii U cost?" (Nintendo's 2012 console) the price has not been announced yet.
No. Black Wiis are the exact same as white ones. Wii U games can only be played on Wii U consoles exclusively.