I had a 1979 8KCAB Super Decathlon for around four years before moving into
an Extra. They are great planes- easy to maintain and fly. In my opinion,
Sportsman should be no problem, but should be flown smoothly, just as a
Pitts is flown differently from a monoplane, although I'm far from an
expert.

If it still has a wood spar, a thorough inspection is critical to look for
broken nose ribs, compression cracks on the top of the spar, loose rib
nails, cracks on the lift strut attach fitting, and cracks on the seat hinge
as well. So, it really would pay to get a good pre-purchase inspection by
someone who is intimately familiar with the aircraft.

They are great planes.