Right, a few deca-minutes of "Wheeeeeeee" later...
In a word, Tim, "Gorgeous".
Knife edge, roll, flick roll, hesitation rolls and loops, inside-, outside-, flat and cubans - all possible. And very crisply I might add.
If I may be so bold as to make a couple of critiques though...
Lomcevaks need refining. The basic Lom is to fall off a vertical climb, wait for the nose to hit the horizon and then full power and rudder with the torque. It's a plane wrecker, but can look awf'y impressive. I think there is room for improvement in the FDE here.
Stalls. Full stall is very interesting. The Zlin simply keeps its nose above the horizon and sinks - too slowly. What was interesting was that when applying full throttle from the stall, you can keep attitude and climb away quite nicely.
Spins. Basically linked to stall and therefore they are a bit wobbly, so the FDE is a bit wanting here too.
Slips - WONDERFUL!
All in all no complaints whatsoever. I really enjoyed that. OK, a few critiques from someone who probably wouldn't really know a Lomcevak from a flick rol

so no worries there.
And maybe a bit more braking effect - as you can see, I had to go around because the trees got rather uncomfortable. Hmmm, maybe I should approach slower?
Many many thanks Tim!
Note how well she holds altitude in the two knife edge screenies...