Well the soonish I thought was going to be soon turned out to be today ...eldest son came in and told us he had seen poults with the darker of the two (they've swapped nests again)...
I can see 3 so far
I have to say that those little bods are very inquisitive ...more than I've ever known hens to be....so now it's just a case of how many have hatched and how many will survive.