Just to avoid any disappointments from you guys' part, note that even if Sony supports 120 Hz TVs, not all 120 Hz TVs will necessarily work.
It has to be a 120 Hz TV which accepts a 120 Hz input. Amazingly, most of them don't, they just generate fake frames in between the 60 Hz input signal. Look for the "3D prepared" sticker or similar...
My Mario Kart Wii friend code: 2707-1866-0957