I saw this Friday night. It is only the 2nd movie after Avatar to do 3D right. While it does not have the most complex plot, it's supremely solid and doesn't deviate. The acting is superb and the score is well done too.

Overall, the visuals in Gravity are stunning. Do see it in 3D if you can.

Moreover, the movie has gotten positive nods from astronauts that worked on Hubble in regards to getting the details right.