This always happens when the demos are out way before the album and people have gotten so used to how they sound in demo form that the first reaction is '****, NO!'. Happened with Arctic Monkeys' debut album over here and that didn't do too bad. It's just a matter of giving the album versions a little more time to bed in to your brain and slowly erase the memory of the demos it's already gotten itself attached to over a period of time.
For the record, I actually prefer BOTH of the album versions but maybe that's because i have purposefully not played the demos too much.
SOOO excited for this album. I have only listened to these and the 3 singles so far. I wanna be slayed in full when I have the album in my hands. I think she is going to be a surprise number one.