I picked up a 20± year old Cielle Alfa 80 x 120 router and plan to do an electronics retrofit / upgrade on it. Still working out the details but I know it definitely needs an x-axis leadscrew. Even though it's an odd size it's probably all I can fit in my space, it was close and the price was right so that's fine with me.
Here's a picture how I found it. That red guard thing is from another machine and didn't belong with it.