Just got my Lightning in the mail, right out of the box my jaw hit the floor.
Wider soundstage, increased clarity/separation and the bass, reaches even deeper and lower now. That deep deep rumble.... oh man it's sooo sooo good. The highs have opened up as well, adding a little more detail to the imaging.
And I thought my 846 + Protector combo was good...
My all silver rig (minus the USB cable)