I'm not sure about $100k plus but way more than $25k is becoming a more serious consideration.
I've used enough industrial tools to understand the difference between good consumer grade and industrial grade tools. I have a manual mill and lathe that I'd place in the good, large, hobby class of machine (1.5 to 2hp, roughly 1000 pounds each). I've made some fairly impressive parts on both but the lathe lacks power and the mill lacks rigidity for some of the projects I've done.
I have a friend about an hour away with a fairly basic 1100 that I have to go run some parts on. Hopefully that will help make the decision clear.