I agree with both of those things. It's just time, honestly. The more you do it, the easier it will feel.
Yeah, I've never bothered with the shortcut keys. I just use my tablet as a mouse replacement, not also as a keyboard replacement.
It goes without saying that this is slow at first, as you're learning how to choose the right gradients for the right situations. But like anything, it will speed up with practice, and I reckon you're going to get a LOT of practice.
No, I agree with you. Lamps aren't much good, I reckon. Their light is too "directional" if you know what I mean. A good overhead light that spreads evenly around the room is much better.