New to CNC, Leaning towards Shapeoko but question - belts vs lead screws/ball screws

[WillAdams (William Adams (Carbide 3D))]

I will note that the SO3 (and by extension the 4) cuts alu. just fine:

Hardcore Aluminum milling on an S3

Hey guys, I’m a high performance automotive Fabricator and use my S3 pretty much daily and am setting up a second. I’ll update this thread with cool aluminum milled parts [IMG_20180801_142421_579] Many more parts and setup photos can be seen on my instagram @Vince.Fab