IMO, there are better ergonomics on competitors. Over a thousand + of hours using one, a steam deck is death for your wrists in comparison. When I was playing Elden Ring on the SD for a few hundred hours, I almost thought I needed to have surgery. There are strategies to help with this, rest it on a pillow on your lap, or whatever, but you won't experience that with some of these.
- https://www.lenovo.com/us/en/p/handheld/legion-go/len106g000...
- https://rog.asus.com/gaming-handhelds-group/
Honestly, I think a gaming laptop and a controller makes more sense for most things, if you don't need that little bit of increased portability.