I completely agree, and I don't expect any crazy adherence to the original trilogy (who does at this point?) I just hope that Simon Kinberg, takes so time to give the characters a little extra something, and it would be easier for him to take the subtle road X1 took when defining who these people were outside their crazy powers.
What I always loved about the X-Men in general (Comics, TV shows and movies) was the interest in showing that mutants had lives and daily struggles, in this new timeline the "humanity hates mutants" has pretty much disappeared and I'm OK with that, but to take the individuality of the characters would be a killing blow, and I hope Mr Kinberg has a script doctor on speed dial.