Quick-Convert Tablesaw/Router Station — This easy-to-build mobile tool stand packs a shop full of convenience in a small package. With a footprint of less than 7 square feet when folded, this tool stand expands into a massive 17-square-foot tablesaw work surface. And it’s multi-talented—to switch to a router table simply slide out the on-board router drawer. http://www.woodstore.net/qutast.html
Finished (for now)! Total materials cost: about $170. I wanted to get it all loaded up with the rest of my tools, but it started raining and I was exhausted. I'm going to be adding some upper shelves in the middle two sections too for storing smaller tools.
The small size of the saw table on compact table saws makes it difficult to cut large pieces like plywood. This mobile table saw station extends to create a large work area and then folds up into a compact package that can be stored out of the way. Cutting diagrams and materials list are available free at http://www.shopnotes.com/issues/104/extras/table-saw-workstation/