I placed a pre-order today with TrainWorld for the Tier-4 BNSF set. I have six LC+ locos, this will be my first LC loco. I decided to give it a try in order to have a modern LC diesel loco, I hope that I don't regret this decision. I also have the new LC+ SD-60M which is a great locomotive, and the LC+ Berkshire. Delivery is not until end of this year (2018), so perhaps into 2019. BTW I used the AP to set the sounds on my two recent LC+ locos, but generally just run them with my Universal Remote, with 3 trains running on my small 4X12 layout.
With my LC+ locos I rarely use the remote uncouplers. The LC+ features I will miss with this LC locomotive are the speed control and the ability to tune the sounds through the ap.