Some people are theorizing that the numbers would look considerably better for the Vita if DD sales were included. Seems like a fair point but wouldn't it basically add to each of the consoles/handheld sales (differing degrees, of course)?
It's a dead-end discussion.
"I think it sold 20K digitally."
"I think it sold 2K digitally."
...
Might as well be VGC numbers for how useful that discussion would be.