Really enjoyed the build.
You don't really need a Brad nailer or stapler, I did it with good old hammer and nails. Just brace it well when nailing into unsupported beams. You also don't need a tablesaw, I did all the plywood cuts with a circle saw. The shelves in the original plan are deceptively small. After building one side with the shelves how the plan has them, I decided to build the other cart with only one shelf for two on each side instead of four, gives a lot more space. I didn't add any shelves to the other side of the left cart, planning on adding hooks to hang extension cords and such in there. Make sure you predrill, I still had cracking issues even with the self drilling screws. I would recommend splurging on quality plywood especially for the tops and front.
I plan on adding a dust hood and shelves above each side. Also going to do the tablesaw and bench tool mods to the carts when I get those tools.