Shaun,
I think we need more information here. With the optima and optima pros for instance, how long are the barrels? What type of situation will you be hunting in? What type of groups do you shoot with each gun? Are they scoped or not? I don't know any of this about your rifle so I'll answer what I can with what I use and then suggest somethings to you.

I have afew different deer guns.
1. My white mountain carbine which I've had for 12 yrs now and know the magic combination is a 325 gr. Maxiball and 90 grains of powder. This is one of my "brush guns".

2.A 29" Optima (nickel finish), which actually belongs to my father, likes 2 pyrodex 50gr. pelletsand a245gr powerbelt and shoots 2" high at 100 yards and just about dead on at 150yards.

3.A 24" CVA wolf, which I'm sighting in, but will be good out to about 150 when I get done with it.

4. A puma 92 chambered in 357 magnum. My other good brush gun.

I'll prolly use 3 and 4 the majority of the time. My point that you can use different guns for different shooting situations. I personally like a shorter rifle. I don't know what the barrel lengths are for yours but I say if there is one that is a 29" barrel and your hunting cornfeilds and such. If the rifle is capable of giving good groups at longer ranges then I would use it for this situation. Since your kodiak and perhaps one or both of your optimas has a shorter barrel then I would use it a brush gun. They're easier to manuver but will shoot just as far. The important thing is to go to the range and get to know each rifle and the combination that works best. If they shoot equally well then I would say look at the shooting situation and pick keeping in mind what is required.