the regular 360 console has a biggerhard rive than the arcade it also looks better!
yes the big difference between arcade and elite is memory
Yes
Yes.
yes you can, the type of xbox360 it is (elite, pro, arcade.) does not affect who you can play xbox live w/. the main difference is memory in hard drive, and the elite is black. The arcade can't play old xbox games
Yes, you can play regular xbox 360 games on an arcade unit. The difference in between the arcade unit and the pro system is the pro system comes with a hard drive to save game data/videos/etc.
YESSS!!!:)
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.
Yes.
The Arcade console supports all xbox 360 games.
No, it is a download from XBox Live Arcade.
The arcade unit does not come with a hard drive, headset, or ethernet cable.
No.