3D touch is still a novelty, and the current understanding is hardware issues (likely cost) were still too high to make the McLaren phone an acceptable reality (although I'm still disappointed!).
I'm excited about the idea of a 1525. I'm jumping ship from Android to WP, and the 1520 6" screen covers 2 form factors (phone / small tablet), while my SP3 will cover the other 2 form factors (large tablet / laptop). Hooray for device consolidation!
Of course, Microsoft needs to start selling these unlocked on their store so we consumers can still take advantage of wireless charging (screw you AT&T!). It's true, once you wirelessly charge, you can't go back lol