Well, this confirms what I have been reading- the new 11-spd Ultegra spanks the 6700 version.

I guess now I've got some thinking to do <g>! I'm inclined to think, now, that a new 2013 at a LBS with 6700 Ultegra had better have one heck of a discount. Certainly more than I'm seeing at the LBS that has a 2013 in my size. And even then, I'd always be thinking I had "settled". I think if I decide to settle, I'll settle on a 105-equipped bike and give up any pretenses of being the cool kid with Ultegra.

Thanks for the info guys- it really helps.