+1 for reverse sear. I like to use the smoker (with mesquite /pecan mix) , followed by a flat wrought iron plate on the grill.
Honestly, never heard of sous vide until today. Even for salmon I just season a thick filet, wrap tightly in foil and toss on the grill on high for 10 minutes.
Cooks the germs off the outside and the middle gets just past warm. SV seems interesting.