Digital version is 4/1 last I heard. Why it gets an earlier release, I don't know.
I've got no problem paying for it and have no desire to download this version since waiting 2 weeks is not hard at all. Still, most people getting this are still buying it. They hit 2B on the screen release, they could give everyone a BR who saw the thing in theaters and still be ahead. That's no excuse to steal it, but it's still true.
The irony is, the blew the downloads through the roof by putting it front page of all media outlets. Had they kept their mouths shut it would have been downloaded substantially less, but by throwing that story it up got loads more people to download it - and worse, figuring out how to download it who didn't know how before. Brilliant move.