I'm doing plywood instead of drywall for the same reasons you stated
Looking good! That's a proper fish room!!
You might want to consider doing some slatboard on the upper half instead of plywood to hang tools, etc.. OR if price is a concern you can do pegboard (a bit cheaper) over the plywood.
Might want to add a couple cat 5 lines (just because it is 8 wires that can be used for a multitude of things) and or something for a camera or two in the walls? If you put a camera high up, put an outlet high where you might want the camera and you can run a wifi camera (just need power).
Where would I run the cat 5 to?
I wasn't sure of your layout but maybe from controller area to that area or just bury in the wall at a few places and run up to a place where you have a large coil stowed.... or having a hard wire for access point or. Just thinking outloud . Seems like no matter how much planning I do, I always need a wire for something! Maybe just a conduit that you can pull wires through would do the trick?
U thinking running it to the router for hardwiring it?
Hardwiring always takes out a point of failure. If you can hardwire it I would
If it becomes for sale, I'm a buyer