How mutch is my xbox 360 worth?

I have a 4gb xbox 360 that i'm trying to sell. It is like new it has absolutely no scratches i'm selling it with or with out the games and the other 3 controllers. I have 4 controllers 3 of them have designs i made and two don't have grips on the analog sticks. One does not have a battery pack. I have a few games. The games i have are halo 3 odst, halo reach (limited edition), halo 4, NCAA 07 football, skate 2, minecraft, and fight night champion. If you can, please tell me the price of the games sepperetly and 3 controllerssepperetly and then the system with everything together.