I've recently come into possession of a giant 8ft tall studio rack in excellent condition. It's from a smoke-free, pet-free, child-free professional environment. There's no brand, but it's sturdy and solidly built. The casters move and lock. The top half is tilted up.
Open to trades, or cash+trades, including an equivalent amount of rack space (say, two four-foot racks). If you want to upgrade your rack space, get some more horizontal room in your studio, I've got just the thing for you.
Sides are made from wood, so it's not terribly heavy. You pick up.
(P.S. pardon the less-than-ideal photos, the rack is so tall it's tough to photograph)