Nintendo3DS.org.uk report on a rumour suggesting the 3DS will feature backlit buttons. They've also got some evidence available from the Tokyo Game Show.

The 3DS rumour mill continues to grind away, and we’ve just got hold of a juicy little nugget. The buttons on the front of the 3DS are likely to be backlit. That’s the D-Pad, the A, B, X, Y Start, Select, Power and Home buttons – as well as the 3D depth indicator to the right of the unit.

StuartY via nintendo3ds.org.uk »