Raising the bar or status quo?
I've been following the IPhone 6 rumor mill for a while, each time more exciting while closer to launch date.
Taking a step back, because of the fierce competition, every other manufacturer tries to outwit the other, and the focus is mostly on a feature here or there to differentiate themselves.
One thing I will always say about Apple is that they're forward thinking, and this is greatly evident on the 64 bit processor that was put on the Iphone 5S, aside from being an industry first, it really does open up new roads for developers to really push the boundaries of what can be considered mobile applications.
If I look at all other competitors, aside from the Galaxy S5 (with the health sensor) nobody has really make a significant leap forward... yes there are a lot of bells and whistles, but that's about it...nothing really major.
So for the Iphone 6, my expectation is not so much on what new features are available, but what developers will push out as they take the lessons learned from the 5S and transpose those to an even better processor and larger screen real state.