yes you can use the Xbox 360 controllers on the xbox 360 slim. I use my controllers from my old xbox on my new 360 slim.
Yes. The name of the console does not matter (Xbox 360 slim is the exact same as Xbox 360 arcade, just different design).
Yes. All you need to do is re-sync it to their Xbox360.
No
No you must have an Xbox360 controller. There are both wireless and wired ones. I would reccommend getting a "Play and Charge Kit" if you get wireless.
yes
yes you can play the beatles rock band with the xbox360 controller if you have an xbox and if your singing
a wii controller and a game cube controller yes,a ps2,xbox360,lots of controllers
You have to buy a specially designed WIRED controller that works on both Xbox 360 and Windows. It comes in a red package.
No.
It is located in the center of the controller. It is circular and has an "X" at the center.
yes
They just tell you that a controller is on or plugged in
yes u can but i takes a while for me to find a guide