1. MacMini.

or:

2. https://frame.work/es/en/desktop

3. https://marketplace.nvidia.com/en-us/developer/dgx-spark/ => https://marketplace.nvidia.com/en-us/reservations/ (cheapest is 3k)

At Computex here they had a demo running some local model on a cluster of 4 framework desktops. It certainly generated text! Just about one character of it a second.