I know many people in ozone park may not be happy about losing express service. However, they will have a less confusing commute if the C is extended to Ozone park, which is only a few stops after Euclid. Remember, the C used to run past Euclid years ago.
A train riders will also have a less confusing commute if all A trains go to the Rockaways and if all 5 car r179's go to the A train in addition to the r211's.
I think this will work, especially, after the Canarsie tunnel work is complete and once the r211's are delivered.
I also, think that running the B to the Bronx during the weekdays and running the B to 145 during the WEEKENDS will work as well. I already explained my reasons in this previous post: