Proud owner of both a G22 and R22 here.
G22 - worked flawlessly straight out of the box. Accurate, compact, and fun to shoot. It does loose it's zero really easilly, and I don't like the face that the front sight adjustment sucks. Due to the composite handle/rail on the top, scopes rapidly loose their zero. 'Iron' sights are good enough for shooting up to 100yards, and it makes a great squirrel gun.
R22 - Problems since day 1. Thomas@Rhineland has been helpful, but I have to be honest, I've had zero misfeeds with my G22. R22 can be very ammo and mag fussy. Thomas has sent me a replacement extractor, and I'm waitingo n a replacement bolt from him. Hopefully that will clear things up. Happiness is being zoomed in at 100yd and firing subsonic though the R22, while watching the bullet drop and the effect wind has on it.
I'd honestly give the R22 some more time to get the kinks worked out. It's a great gun, but on a basis of reliability, I'd go with the G22.