These are all pretty much the same except for their build quality. Except for the additional inputs, I don't see this as any kind of improvement over what you currently have. Why not just get a second 16 like your first unit? And now have 32. So when you say want an upgrade, what kind of upgrader you really looking for? An improvement or just more inputs? I find all of these perfectly adequate for general use. Although I think I would personally prefer the SoundCraft over those other Chinese selections. That still has a little more of that British factor which I think is a worthy thing. I think you'll find the EQ to be more musical & versatile. And you want the larger mixer because you are tracking more inputs? Or are you looking for a significant difference in your sound? You need to be slightly more specific.
I am consistently inconsistent
Mx. Remy Ann David