There is no difference! All Xbox 360 games work on all Xbox 360 consoles.
yes the big difference between arcade and elite is memory
As far as I know, you can play all original XBOX games on the XBOX 360. It may be different for some of the first XBOX games but both Halo and Halo 2 are playable on the XBOX 360.
The Xbox 360 Pro comes with a bigger Hard drive (GB). Also the Xbox 360 Pro usually comes with 2 games when you buy it. Please note that game play is the exact same between Xbox 360, Xbox 360 pro, And Xbox 360 elite.
Yes The PS2 version of games is always different from the PS3 and Xbox 360 versions
The Xbox 360 Arcade can play the Original Xbox games. Where the newer Xbox 360 can not. On the Arcade you can also download other old games. But sometimes you can do that on the other system.
what is the difference between xbox 360 and halo 2xbox special edition
The xbox 360 elite has 120 gb The xbox 360 super elite 250 gb memory that is the only difference between the two
Xbox 360s Is the slim version.
Xbox 360 Elite is made by Microsoft and plays xbox games, and PS3 is made by Sony and plays playstation games.
The Xbox 360 arcade does no include a hard drive. The Xbox 360 pro does.
The only difference is the hard drive size.