Saw the 3D TVs at CES this last year... Insane... Infact it's creepy...
Some of them you have to be standing in a fixed position for them to work, others do require polarized glasses. A few DLP TVs can support dual projection for 3D right now.
But IMO the Next big thing will be UHD OLED TVs... the UHD TVs are insane as well, I thought I was looking out a window even though I was in the middle of the Las Vegas Convention Center. And OLED Blacks are TRUE black, which is crazy, they look photorealistic, and they're paper thin (ok more like 1" thin). Combine UHD and OLED and I bet dogs and cats start jumping through the TV.