XBox Live and the PlayStation Network both offer full current-gen games for download, and the Wii has a vast library of older hits for download only.

微软的Xbox Live和索尼的PlayStation网络都会提供完整的这一代游戏的下载，任天堂的Wii也有一个海量的经典游戏库可供下载。

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Of course, much of this depends on the price of next-gen games and whether the system is backwards compatible.

FORBES: Why $400 Is The Right Price For The PlayStation 4

Though touting the ability to run current-gen games like Mass Effect 3 and Arkham City is well and good, will they be able to do the same with the sequels to those titles in a year or two?

FORBES: The Wii U's Bleak Winter: Why Nintendo Must Take Action

With Nintendo struggling to juggle Wii games on the Wii U and Sony's Playstation 4 abandoning current gen PSN games, it looks like backwards compatibility is a thing of the past.

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