Lucas Contreras's Homemade table sawLucas Contreras, from Spain, sent me some pictures of his format sliding table saw that he built, inspired by a french blog:
See here (You will need to scroll around that page a bit)
The black rollers came from cabinet drawer slides
A bevel cutting sled, and a miter cutting sled. Tilting the circular saw would require a much larger hole in the plywood top.
Here with a variation of the screw advance box joint jig attached to the sliding table.