She was dead weight for National. Key has done the right thing by removing her now. If she wins the Papakura seat again then I'm sure she's going to be back - I don't think Key has closed the door completely on her.
I like how NZ Herald has been defensive about the whole scandal since yesterday, and today Stuff has a article about how Collin's "resignation" was "was sparked by a Fairfax investigation". NZ Media