Wii Karaoke U By Itself Doesn't Sell Me on the Wii U, But It's Close

The Wii U will be hitting stores in Japan on December 8th, almost a month after its launch in the US and over a week after its release in Europe and Australia. Not exactly to make up for the delay, Nintendo announced last week a preinstalled game that will be included in Japanese Wii U's, Nintendo x JOYSOUND Wii…