I went the other direction...I made my own desk with a nice padded foot rest, a 30" pull out shelf under the top for my wireless keyboard and mouse and wacom. Add a comfortable reclining office chair with adjustable arm rests. I hardly move a muscle, everything is supported. So I get up often and get a drink of water and look at something farther the 24" from my face.
I think I will stay with the sitting desk option after looking into it a bit more and talking to a few people. The foot rest sounds interesting though and maybe a new chair would be a good move.
I would like to add my 2 cents regarding the mouse: I have been using the MX Master 3 for a while now, and before that I was using the 1st Gen MX Master. The mouse has received only positive reviews overall, and I am starting to think that noone from those reviews is using the mouse for modelling in a 3D Software. The mouse wheel is really hard to press, which quickly becomes a pain when you have to press it constantly to navigate the scene. Add the overall big weight and not so light clicks, and the mouse quickly becomes very un-ergonomic, to the point that I have started to feel sore on my hand.
I am thinking of going either for a vertical one, or for a gaming mouse with easier clicks and more customizable buttons with better placement.
Everyone is different, but I would love to see more people contribute to this post.
I actually just purchased the logi mx vertical mouse and I couldn't be happier with it, The wrist position is really comfortable. Right/ left click makes a bit of a sharp clicking noise though but apart from that no complaints and a big improvement over my last 2 mice (razer/corsair). I also got the logitech ergo keyboard which is taking a bit of time to get used to...It's really nice to type on but I'm finding for 3D viewport controls it's a bit awkward (W,E,R, f3, f4, alt,shift) due to the keys being tilted and on a curve, I'm going to stick with it but I would try and test it out before purchasing as I feel it wont be for everyone.