So the switch 2 is backwards compatiple (duh) and likely the load times will be faster. Will this be a separate category if so?

I also thought about it. For me yes (unless they create a formula to convert times fairly), but it's up to the moderators to decide.

I feel like it just depends on how much time it saves over the course of the run and the category. I personally see individual cups probably not splitting the boards but 48 tracks getting split between switch 1 and switch 2 versions, especially if it saves a minute or 2 from all the loads

they could also just split them like how they split pre 2.3.0 versions and 2.3.0+ versions in MK8DX.