I just saw some ads on Facebook from the current rights holder for the Spacewalker. Plans are $100 for pdf and $150 printed. That ain't bad.
The Sportster LSA (derivative of the Spacewalker II with metal wings) was on Barnstormers. Has been. Checked out what's there. It's a shame we don't have a spare $50k and the spare time, cuz that's a design that needs a Verner on the nose in the worst way.