I kind of love the last line. 
 I can't believe I haven't read this one before, but I did dig on it. Obviously the way the rest of the series worked out wouldn't have fit with this original NM ending. Too much needed to happen and having Bella in the dark would have only made it more cumbersome. She can only be blind for so long before it's annoying. 
 Plus, I do find it hard to believe that with super sonic hearing, neither wolf nor vampire was able to clue in when the human was NOT actually asleep. 
 Overall, though, this was an interesting way for the story too take shape. It certainly would have been shorter and makes me curious how Eclipse and the subsequent Breaking Dawn would have turned out.