Of all of Poberezny's designs, I like the Pober Sport P-5 best.
It seems to be Paul's 2.0 version of Little Audrey, and I suspect a better airplane based on lessons learned from his first attempt.
Yet he never produced or sold plans for the design. Nor has the design been talked about much.
Was it a good airplane? Did it have faults that prevented plans from being drawn and sold?
It would have been a nice addition to his biplane and parasol designs.