"3D" still hurts my eyes. It is not really 3D in my opinion. I saw this movie and left with a headache. The 3D is awkward. It's like a bunch of cardboard cut-outs that are closer and further away. So, while one person might appear closer to you than another, that person by themselves still appears 2D...just like a cardboard cut-out.
Did you see Avatar in 3D? They have really made some advancements. I saw it in 3D and felt like I was right there with them in the same room. You should give it another chance.