I kind of like the idea of a three-size lineup...
The current form factor will be iPhone6,
then the iPhone 6G for Gigantic,
then the 6WHG for Way Huge Gigantic...
I got this from a fortune cookie, if anyone's curious.
(wanted to be sure the day had its proper rumor ration)
I think the side buttons on my about-to-be-replaced iPhone 4 protrude a little more than that...still, it just doesn't seem 'elegant'…maybe it extrudes for photographing, and retracts afterwards - except, tiny little motors? nah