I have today JUST got my first ever Apple product, a 32GB i-phone.... I will update this thread in a few weeks as I currently have a N95, so will be in a good position to comment. What swung it for me is that no other phone has 1) Such a brilliant user interface , and 2) Very very good full internet access.
I might miss the N95's camera and a few other bits, so we will see.