My little brother has been playing Fallout 3 quite a bit lately.
i haven't played any of the fallout series(i know shame on me) what series/other game is it most similar to?
I haven't played any of the Fallout games before this one, either. The closest comparison I can make is that it takes some of the best elements of Mass Effect, KOTOR2, and Elder Scrolls and rolls them into 1 game. Combat with the VATS system is unique, though, and never gets old.
I'm at the point in the game where I know that the last battle awaits as far as the main storyline is concerned, so I'm finishing some sidequests first.