Depends what you are asking about. The PS2 is not better, but has sold more consoles and has more games. The PS3 has more Harddrive size and other features. The Xbox 360 has More US players and 5% greater worldwide sales numbers. The PS3 has higher worldwide sales dollars and higher non USA sales.
The XBox 360 is currently the number one best selling gaming system in America.
The Xbox One
The Xbox One
You need 2 Xbox's. Take an Ethernet cord and plug one end into one Xbox, and the other end into the other Xbox.
Yes it does. It was one of the few games that can be played on the newer system. It will not play on XBox One, though.
Warranties are available for the Xbox system. For the later models the warranties last one year for the actual Xbox, and 90 days for accessories. The Xbox must be registered after purchase in order for the warranty to be effective.
No it wont the Xbox 360 is the only Custum System that you can transfer the hard drive but it is not possible to switch it for a Xbox one.
No, but certain Xbox games play in a Xbox 360 system.
No it doesn't, if you want to do a system link without XBL you can do so by using an ethernet cable between 2 xbox's
Nope, must have 2 live accounts
Yes, but only to play system link xbox games that are compatible on the 360 (like Halo, Halo 2 and the like) but not to play system link on games that are on both (Battlefield 2 Modern Combat) using one 360 version and one Xbox version
No you also have to have your system set up for wireless and have an internet service