You are very well organised. I hope the 2 month wait for your hens is not too much of a drag.
I know I could not wait that long for my chicken once I had bought the house and set up the run. I am lucky that there is a poultry breeding business in the next village and I could just turn up and pick which ever breed I wanted from their point of lay hybrid varieties. I started with 2 Rhode Rocks, a Cuckoo Maran, a White Leghorn, an Amber Rock, a Light Sussex, a Silver Sussex and a Blue Maran. I still have the Silver Sussex, but have over the years hatched out a variety of pure breeds from eggs I have bought on Ebay and at present, as well as the Silver Sussex hybrid have a Jersey Giant, an Ixworth, 2 Araucanas, a Buff Sussex, a French Copper Black Maran (it was supposed to be a French Copper Blue Maran) and a Splash Maran (it was supposed to be a French Wheaten Maran). I also have 4 French Copper Blue Maran cockerels for the table.
One year I hatched out some ducks because we live by a river, we shut them in at night, however, they were gradually disappearing during the daytime and we think they were either being taken by a mink on the river or a fox in the orchard. I gave away the remaining 2 to a friend who kept a couple of ducks in a more secure garden. I also hatch a few turkeys for Christmas. As you can see this is a hobby that grows!