Not a fan of the band, but I have a friend who thought they were a helluva' lot better off once that whore singer quit.
I don't know the details, but apparently the band was managed by her and her boyfriend/husband at the time? o.o - and once she was released from the band, they really had the potential to go further.
I don't know the in's and out's, but that view seems to be held by a lot of people.