Perhaps, it will be "i72" or "i7a", things that make equally as much sense as i7 does in the first place.
I think i7 is the right concept: I like that they're reclaiming I for intel, like 780i = 780 chipset, intel edition on nForce boards, but i7 is ugly as

and you're quite right, does not roll off the tongue well.
I would have been happy with Intel 7, if Windows 7 weren't just around the corner