I am on 4.21CFW.. I can log into PSN.. I never download PSN titles due to ****ty transfer rates in my country.. I can play online the following games:
Virtua Tennis 4
Killzone 2 & 3
Fifa 11 & now also Fifa 13
Gonna try Tekken Tag Tournament 2 later.. I have ordered a copy of Black Ops2, should receive it today or tomorrow will cross my fingers and try it..