OK I have a Taig 2019CR-ER CNC Ready Mill on the way and want to go the 4 axis route. I need a controller and steppers. Here is my question. Hands down I do want to eliminate any isuues such missed steps ect. This is for intricate inlays for pool cues so I need a really good setup. so here is my question.

So what would be the
Best servos?
What servo oz is hands down going to be the best?

Best Controller?

Pendant Controller?

Best software?

Also any other tips that will help ensure the machine is reliable as possible

This is for a 4 axis setup using a sherline rotary 4th axis