Or perhaps they won't fail this time, but even assuming the absolute best case, its likely to be quite a while before consumer level gear is gonna be able to do it adequately, let alone well. I definitely wouldn't mess with it now, given the amount of money Hollywood is spending developing the technology.
I really wish I would have not seen that movie in 3d. While avatar was good in 3d, Clash of the titans was not all that good in 3d.
The company I work for builds broadcast routers, and apparently at the last NAB in Vegas, all the rave was 3D tv. Unlike HD or even 1080p, it seems highly unlikely that being able to broadcast 3D will be here anytime soon, even though it seems like there are many people who want it.