2D

Don't worry if theater doesn't have 3D - the 2D is awesome & it's all about the story anyway!

John Mayer, Michael Moore, Simon Pegg And Others Respond To ‘Avatar’ In This Twitter-Wood Early Edition » MTV Movies Blog 2009

Alex noticed that the footage from the real world was presented in 2D, while the footage set inside the computer was presented in 3D.

Video Blog: Tron Legacy Movie Trailer Premiere in Los Angeles | /Film 2010

And if you don't think that's worth the extra $3 bucks, then go see it in 2D, but don't start complaining that the 3D isn't worth it just cause you don't have the $$.

Peter’s Thoughts on the Post Converted Clash of the Titans 3D Footage | /Film 2010

You can still see the films in 2D dude, lose the melodrama. tyrulz

Ridley Scott’s Alien Prequel Will Be Shot in 3D | /Film 2010

These movies will still need released in 2D because there aren't enough 3D theaters out there. presto117

Peter’s Thoughts on the Post Converted Clash of the Titans 3D Footage | /Film 2010

If the story is good then it will hold up in 2D regardless of how it was shot.

Five Reasons Why You Should Go See How To Train Your Dragon THIS WEEKEND | /Film 2010

Of course you can see this in 2D, you would still have a pretty movie akin to the effects in the Abyss.

MOVIEW REVIEW: Avatar 2009

You are seriously going to tell me that the scenes where Hades does all his SFX, and the Kraken being unleashed would have been better in 2D?

Peter’s Thoughts on the Post Converted Clash of the Titans 3D Footage | /Film 2010

I heeded all the warnings and saw it in 2D and it was pretty much exactly what I expected, a movie with well done action and visual design but VERY light on story and substance ...... kind of like the original.

Clash of the Titans Movie Review: A Monstrous Misfire | /Film 2010

The colors and detail of the film are much more obvious when viewed in 2D; for example Hiccup actually has a scar on his chin which I didn't actually notice until I viewed the movie a second time around in 2D.

Five Reasons Why You Should Go See How To Train Your Dragon THIS WEEKEND | /Film 2010