That portable work bench is perfect for my garage space. Easy to get out of the way, a couple of trusses to stiffen it, made as light as possible for easy lifting by an old guy. Big enough to lay some foam on it if I want. Let the ply overlap the long beams for clamping purposes. Really nice way to go. I think the folding saw horses are Stanley, which are pretty cheap. About 36 x 60 would be perfect, using 1/2 ply with trusses would lighten it up, 1x4 instead of 2x4 would help with weight as well.
The more I do, the less I accomplish.