Yet to be seen. I'd love it if they made each way the turret faces a different set but right now there's no reason to suspect it wont be what we have now and maybe another unlockable one or two.
After a disaster in our datacenter took down our server, we are now running Pinside on a brand new server. However, things may not work as expected as we are still polishing the playfield and adjusting some switches! We might be switching to maintenance mode a few times. Please see this forum topic for more info.