RailCore® Labs
RailCore® is a family of Core-XY based Reprap 3D printers designed by J. Steve White, Tony Akens, and Ben Withem.
24v PSU (needs to be 200w or greater with AC bed)
A PSU is an essential component and a huge variation in quality and price.
Mean Well power supplies seem well regarded, and the Mean Well LRS-200-24 is on the BOM (as of writing)