^^i agree, they should include the same special features for dvd as they do blu ray, but you don't have to be rich to afford a blu-ray player nowadays... $80-$100 at a walmart or something.
i found out a cool fact with the charity burbadge scene watching in maximum movie mode though...
highlight the below to see, if you want:
the visual effect department made a life-size animatronic of Charity Burbage! that's what the viewers see in the background, and of course up close, it's a real actress