Awesome. Thanks for the responses folks.
I think I'll forgo the roosts. It appears that as long as I move the tractor on a regular basis, it should be fine.
What's the general consensus on Freedom Rangers and rooster? I know that Cornish x you do not want to let roost due to weight and weak legs. I'll be getting my first batch of 25 tomorrow and building their Salatin style tractor this weekend. I was wondering if I should add onto the back end...