The Orbtidyne Shop on Etsy has restock with the orange mini Space Bar playset as well as new brown and blue versions! A deluxe light-up version with seats, doors, and more sold out before I could get this post made. Click here to check availability of the other sets - they're nice additions to a Kenner or retro figure collection shelf.
I picked up an early version of the big playset and love it - it's designed to fit in an IKEA DETOLF, so you know where to put it. If it restocks, I recommend it.