Adam, thanks for the offer on borrowing the broadcast seeder. My property doesn't lend itself to seeding with the tractor though. It's nice to know a neighbor close by has one though....you never know. The listed price on the cutter was $575. I bargained hard as part of the package with my tractor, and think it might be awkward if they knew I spread the price around. Probably shouldn't have mentioned it. They only have one more on the lot. Two weeks ago they had 4 of them. I'd go there and bargain a bit. I know they'll do less than the $575, and even that is a good price for it.
My chicks don't scatter at all. Tend to stay within 5 feet of each other. One thing I've noticed, is that they don't like to be away from the pack. They have a call they make out to each other that signals they are lost.
Thanks for posting all your photos. This isn't a one man thread. It wouldn't be very interesting without participation.

Your place looks great! How long have you had the mature hens? Any trouble with predators tearing through the chicken wire? I'm using chicken wire too, as nothing else came in a 48" roll (that worked anyhow). The coop looks great! I wish I had an old building like that. For now, the chicken tractor will have to work. I may have a coop similar to yours in a year or two.
The garden look "ready". Did you do anything to your soil? Lime? compost? I'm sure you saw the process I went through. I'm about to start up my second set of rows. At that point my total planted garden area will be 8' x 55'.
From the looks of your chicks, they are about a week behind mine I would guess.