Locked frame rate at 60fps
More ergonomic and better tested controllers
More dance games for physical exercise
Cross platform capability
Game headphone support
Complete backwards compatibility for all NES and SNES games
I have the full size switch... I would like longer battery life, quieter fan when console gets hot, and I would like the battery to not leak energy when not in use. I believe there has been times when I don't touch my switch for a few weeks I find it needing to be charged.