I can understand where you are coming from. It would have been good if they released a 660/660ti/670 at some stage (sooner rather than later).
I don't know if this is not the case but nobody seems to say anything different.
Yes, as I said way back in this thread, these new cards will be a hard sell because their not "game changers" and everyone can play all the games quite well with something 40% or less of their cost !, I think in recent years the only pc component upgrade that really made me smile was my first SSD's