well i have tried many games from my hard drive, but i found that it makes the grafix way better for fallout 3, fable 2, and Halo 3 odst (campain disc) also my friend says that he loaded oblivion onto his, and he says that it has reduced the loading screen and loading map times by 50%
it plays some old xbox games
No, its a totally different format.
No. NTSC games will not work on a PAL Xbox 360.
Only if you have the Xbox 360 hardrive and some software.
No because XBOX and XBOX 360s are different from Windows 7.
All of the Xbox 360s may play games. They are priced differently because of either memory space or package deals.
Buy 2 xbox 360s and put a cable between them.
All Xbox 360s can play all the Original Xbox Games on this list http://www.xbox.com/en-US/games/backwardcompatibilitygameslist.htm provided that you have an Xbox 360 Hard Drive and can update the game with Xbox Live or through a computer and USB flash drives or DVD/CDs
Yes, any USB flash drive will work as a memory card on the Xbox 360.
Since there was a recent price drop you can get an Arcade version for $199. But if you want a hard drive you will have to pay more. Look for used 360s at gamestop or eb games to see if they have any cheaper ones.
No. Xbox Originals are original games from the first xbox that can be downloaded on your xbox 360
All 360s can connect as long as you have the correct items to connect to xboxlive