Nintendo TVii is now available on the Wii U, arriving right on time with Nintendo's 24-hour window of "December 20." The service -- which promises to unify the console's disparate media services under a single application, dubbed "TVii" -- doesn't yet support the promised TiVo or Netflix integration it was announced with, but the former is said to arrive in January, while the latter is expected in "early 2013." To start using it, just turn on your Wii U and select Nintendo TVii -- if you're already all up in A
