Hi shifus,im new to PS3. im getting PS3 very soon.as i see theres a few games like R1 R2 and R3, what is the difference ? does a new PS3 super slim version support all the games ??? any region lock ? and i wanted to know is there any 2 players game because im getting it and play with my brother so i will getting 2 controllers as well. any fun 2 players game to recommend ? thank you shifu, your help is appreciated. TQ