Star Wars: Battlfront II is the best of any Star Wars game. I think that the graphics are almost perfect, except when you get shot, then you just fall and soetimes it gets a little chunky. Other than that I thought the graphics and scenery is unbelievable.
There where a few changes to Battlefront II that weren't on the first version of the game, such as being able to be one of the Jedi, or one of the Sith leaders, which at some times can be more unrealistic, because you are that much better than anyone else. Stamina plays an important role while you are a Jedi, which makes the game more realistic (sort of). The more kills you make the more time you have to make even more kills, but the downside is if you dont make enough kills you eventually die, which sucks.
What it mostly comes down to is if you like Star Wars, you'll like this game, but if you don't like Star Wars you might not like this game.