The results and analysis for Blu-ray (and DVD) sales for the week ending 1st March 2014 is in. Two huge releases in Thor: The Dark World and Gravity, but it was a big win for the superhero movie (well, Sandra Bullock does pull off some super human moves in Gravity, but enough about its lack of scientific accuracy), which sold almost twice as many Blu-ray copies as Gravity, and almost four times as many on Blu-ray 3D.
You can read the rest of the stats and analysis here