The minimum.
dreamci.
Your list is about the minimum you need to do anything useful.
Cars have 5 wheels. Steering wheel missing means new concept required.
Don't forget a PC or Laptop, minimum 1Ghz, parallel port, 1/2G ram. and a Mach3 license if you run more than 500 lines of g-code, which you will unless your are making simple circles etc.
Super X3. 3600rpm. Sheridan 6"x24" Lathe + more. Three ways to fix things: The right way, the other way, and maybe your way, which is possibly a faster wrong way.