We ended up with 5 chicks out of our 20 eggs. Admittedly, we skewed the results somewhat by selecting the largest eggs - this would have limited the number of hens we were getting eggs from, and some of those hens could have been dodging the rooster.
We're going to do another batch of eggs soon, but for that hatch we'll just use straight 'nest run' eggs, so hopefully our odds will be better.
In the meantime, we're happy with our little cuties!
(And, pssst, Diane: I'm seaming my cabled coat. Got the sleeves and gusset set in, and have started sewing on the collar. You can put away the stick...)