Our buddy Peter at ifMagazine got word from Christopher Nolan and the producer Charles Roven about a few of the things we can expect on the dvd. Roven told them that like with Batman Begins there will be no deleted scenes.
"We know there won't be any deleted scenes because there never are," says Roven, noting director Nolan puts everything of importance in the actual movie. "
Christopher Nolan also talked about the Blu-Ray version and how it will use the shifted aspect ratios of IMAX;
"The Blu-ray, in particular, will be able to actually use the shifted aspect ratios as it appears on the IMAX screen because the 16:9 aspect ratio is sufficiently different from the 2:4 that you'll actually see a shift on the Blu-ray. The resolution on the Blu-ray is clear enough that you can actually see difference in grain structure and sharpness. So I think it will be quite spectacular."
Its an interesting read, you can read the entire article here