The Nintendo 3DS is the hot new hardware of the moment, yes, but even it can't say it's been modded yet. The new slimline Xbox 360, on the other hand, has already been modestly taken apart and assembled anew.
The black, Sony PlayStation 3 plastic is still very much intact, though on one side it's been cut and manipulated in such a way that you see the secret blue LEDs Microsoft hid within for just this purpose. Oh, what's that? Those were added too? Genius!