Because of a lack of room in my house, I went with the "small bench built on a Black and Decker Workmate" route. It's not much, but it's enough for me to reload. Eventually (soon, hopefully!) we'll be in a bigger place where I can actually have a shop or garage...
Made with 3/4" pine plywood all around, fastened with 1/4" dowels. Before sanding and urethane:
After a few rounds of reloading; the high walls on the shelf keeps stuff from falling off and provides a good place for me to keep my manuals.