Build the Shelving System of Your Geek Dreams

Why would you want to build a shelving unit? I mean actually build it, not just assemble it. You can pick one up at IKEA for the price of a bottle of Scotch if quick assembly's your thing, and an hour or so later ? shelving! That may be fine for just any old shelf, but for the ultimate shelving unit, store-bought won't cut it. ...