While the 777-8 and -9 will be pretty conventional systems wise, I bet the eventual 737 replacement will be basically a mini 787
Apparently not. The 737MAX will be a pretty conventional aircraft as well. The changes are only slightly more than just new engines apparently. The tail cone will be changed (787 style), the spoilers will be fbw, the rest of the flight controls will be the same as before (apparently with the same manual reversion). The flightdeck will remain the same, except that it will have only four screens instead of six, just a lot larger (15.1 inch), but apparently still no EICAS.