If your shop will be attached to your house or another structure, it will likely need to match its foundation, tying the two structures together so that one does not structurally stress the other if they shift differently. That may dictate a poured concrete or concrete block foundation. Regardless of your foundation type, a cold concrete floor will sap energy away from the rest of the structure if you are not careful, so think about how to insulate it well before you build.
The tablesaw—This tool is the backbone of nearly every shop, and for good reason. It allows unmatched precision in ripping parallel edges and crosscutting at a variety of angles. Most woodworkers find it crucial for the basic milling of stock. It is also suited to many joinery tasks, easily producing tenons, box joints, and—with a reground blade—the tails for dovetail joints.
One of the challenges we all face is how to move machines into a home without damaging the home, the machinery, or yourself. I actually had to bring things through the front door, and across hardwood floors, and turn 90° to descend the stairs into the shop. To protect the floors, I laid down sheets of 1/2" MDF that I could use later. On the wooden stairs, I used three strips of softwood strapping, held with wood screws to the stairs. I mounted a 2x4 baton to the wall studs at the top of the stairs, with a 5/16-inch eye-bolt through it.
This style of saw will provide more power than a contractor-type saw and have the high-quality rip fence you need to do good work. However, because they are favored by professionals and serious amateurs, cabinet saws are harder to find on the used market. Scour the classifieds and online sales (be sure to check industrial auction sites as well), and do some networking. Check the bulletin board at your hardwood supplier and ask the proprietors if they know of anyone selling a saw. Also call local cabinet shops. They sometimes have a surplus tool sitting idle that they’d be willing to sell. Take your time in this step. A careful investment will pay dividends in the long run, but a well-intentioned compromise can cause long-term frustration.
Some of the most important decisions in laying out a shop involve the placement of basic machines, such as the table saw and jointer. Deciding where to put them depends in part on the scale of woodworking you do, which determines the clearance area around these machines if you need to handle long stock or large sheet goods. You’ll also want to consider work flow to avoid an excess amount of running around the shop to accomplish tasks, as well as how to power your machines without turning your shop into a snakepit of extension cords.