I think you have a great idea, grill them and you can keep them warm in the smoker. Depending on the type of smoker as to how low you can hold the temps you might take them off just short of cooked, they should carry over and finish off nicely in the smoker and be ready to go.
Robert aka Big Bob. :typing:
Home built 120 gallon stick burner on wheels,
Master Built 7-in-1 vertical,
Master Forge Charcoal grill,