I don't see hoe anyone can change their expectations after just one match. Whilst I didn't us to win yesterday, I guess it wasn't a total shock - as Nigel has said on many occassions over the summer, we're still riding on that way of confidence and successful from last season. But it's unlikely that we can stay on it all the way until May. At some point this winning run will come to an end.
Give it two months. If come early October wer're still in and amongst the top four, with many wins under our belts and few defeats, then I think we could look at changing our expectations. But certainly not after just one game.