I’d recommend getting expert flyer for a month or two to keep checking for A Class as you need. It’s about £8 a month.

Due to the smaller F cabins, A isn’t often released - so maybe just be content with Club at first and monitor.

Can’t comment on Avios required as unsure of route.

And F will take the RFS away meaning fees and surcharges of around £800-1000 rather than £350-450

Good luck !