Originally Posted by ursine1

There are 127 800s now, and only 29 will get Heart. There are 66 on order, for delivery through 2018 I believe. Plus a bunch of options, but I think those will be converted to MAX? At the end of the 800 deliveries (whenever that is) there should be about 95 with Heart and 98 with Evolve... which means, at best, the odds will be about 50/50 of getting the new seats.