I don't know how many times we need to keep repeating this, but here goes. The back order status doesn't mean anything. Their system is not really designed to handle pre-orders and will list them as back ordered until they actually get the phones in their warehouse. Even then, it's very likely that they will go from back ordered to shipped without any status change in between.
This I understand. I still won't be surprised if there's a few days wait before the 6+ ship. (I was commenting based on the idea that people who ordered the 6 were starting to get shipping notification… still waiting till Friday to see what actually happens. Either way I'm waiting… really not worth changing directions at this point, especially based on when I placed my order.)