yes there is 2 different power cords for the regular xbox and the xbox 360. So you will have to go buy a 360 power cord.
No, Xbox live you can buy in 3 different types 1 month of xbox live : £5 3 month of xbox live : £15 12 month of xbox live : £40
No. I am not sure what types of USB models work but you can buy a special USB for xbox.
Well, you can't put or insert a hard drive on the xbox 360 arcade. That's what makes it different from the other types of xbox 360s. Instead, 256 mb of memory space is included when you buy one.
No, the controller ports are different on the two consoles. You will have to buy a new controller.
One can buy a Xbox wireless headset from a variety of different locations. These include a computer gaming store, as well as online retailers such as Amazon.
Well, at my local GameStop they sell many different types of controllers. You probably have some type of game store near you that sells them, EBay probably has them too.
You can always buy the replacement controls from many different stores. Xbox makes there own replacement controls.
Yes, but you need to buy this thing that plugs the end of your old xbox controller into it and then the end you plug into the xbox 360. Xbox and Xbox 360's have a different plugy thingy on the end.
You only need to buy Xbox live if you want to play online.
gamestop maybe, i have not heard of a blue xbox controller before, but i have seen red and green xbox 360 controllers
You can buy an Xbox 360 hardrive at Target or Bestbuy.