I don't do a LOT of video editing, but I do enough that this would be nice.
https://www.amazon.com/Contour-Design-S ... B0001DBEKG

The SpaceNavigator is even wilder with 6 degrees of motion, and is designed for 3D modeling work, although I have read about people using it for editing as well. I'm thinking it might even be a pretty cool controller for some games like Elite Dangerous:
https://www.amazon.com/3Dconnexion-3DX- ... B000LB7G00

