original poster here.
ended up buying used 650 with mr. bulletfeeder, case feeder, 9mm caliber conversion, light, 9mm dillon carbide set, some accessories and spare parts + a not very useful powder check die and DAA seat/crimp die. The original owner said he made 20k rounds, I belive him, looks good as new.
paid €1400 (NIB 750 with all accessories and dies would be ~€2200-2400)
-95% of the brass I use are non-crimped S&B commercial cases. I don't need primer pocket swaging station
-never had any problems with primer seating adjustment
-automation would be a nice option, but it costs me just too much for now.
I think I do not need 1050/1100 for now.