This is Mitsubishi MDT231WG monitor, and it could be both a display or HDTV. (You pick.)
It has a 23 inch screen with a 120Hz refresh rate and a 5.5ms response time. Additional features include a 5000:1 contrast ratio IPS panel, 178 degree viewing angle, an integrated 2.1 channel sound system, as well as three speakers of 11 watts.
It should hit the Japanese market soon, and the expected price is $1,400.