This infact is the next gta being released this fall.
http://www.1up.com/do/newsStory?cId=3174389
im not gay. but i can't wait. its gonna be "FABULOUS".
Also Rockstar are possibly in the process of creating a new side story to the series. example gta:san andreas. there may be a new one that is gta: whatever city or wtf every u get my point. I can't wait tho. hopefull they will make a gta sa stories where u play as cj's dead brother brian.