I agree with these suggestions and registered here just to say so.
Please...Q/E should rotate the camera when you're using WASD to move the camera (a standard I really like and like in this game). It's very sad that you can do full rotation in the base campaign but even so, Q/E to rotate what you can rotate would be nice.
Definitely need hotkeys for switching hotbars. I just now noticed after 20 hours or so of playing that there even WAS more hotbars but they're not as useful with microscopic buttons to get at them.