Hard to say, but I know sony will produce a gaming type device and that's all I want. Hopefully not a Tv because I don't think those should be combined.
Back when we had the SNES, the console or the cartridge got a bit old and if you tapped it in the wrong way the entire save file would be lost, the game got messed with once and lost a FF 3 save file that was at the end.
Naturally, they can either make things more fun or save time. In my case I have used game genie on my SNES and PS3 and gameshark on my PS2 as well as any known cheat codes on NES through PS1.