as much as I love the starlight varifocal turret I really enjoy having a PTZ @ the front door, but I can see more than you can at that placement.. the PTZ i'd put on the front of that ledge wall hanging out, kinda under the position your suggesting moving the turret too, then it could look out into your yard.
but I have a doorbell sensor and a pressure sensing mat that control my PTZ so it can spend most of the day zoomed in on something else..
If they ever release a mini black face PTZ w/the starlight sensor, I'll be on that like a fly on shit.
shady sales people and questionable figures you can keep a better eye on with a PTZ, but again your kinda in a cooridor so you might rather have the better color low light of the starlight