There has to be something major we are not aware of. No way Apple delays the release from June to September to release a iPhone 4s with a faster processor and a better camera. There has got to be something we are un aware of.
+1
Seems to me, they have something up their sleeve. Dual band? 4G?
But on the other hand, we're close to a point where what else can you cram into a smart phone? Always room for improvement on speed and memory, but beyond upgrades to existing tech... seems we may be about spec'd out.
I guess we'll see in the coming months and years.