I can’t help with switch panel, I’ve never use it.
For multi-panel the trim wheel works precisely, even it’s sensitive, but I like the “resistance” the wheel have.
As I have it since about ten years, I’ve modify it in a way I think you don’t want to do with a new one.
I’ve cut it to move the trim wheel close to the throttle lever, just under my thumb .
But if you’re interested in a cheap trim wheel, I found a topic today on the forum:
Note that adding another trim wheel doesn’t desactive nor interfere with the panel one, both can be used together. More, I have three pitch trims: Saitek/Logitech for very precise trimming, a big wheel (14cm diameter) looking realistic with adjustable friction on an encoder for general purpose, and a button on joystick for fast trim moving when needed (very useful in bush flights when you need to constantly adjust power and angles).