I think it depends on how you use the boat and it what conditions. A Lot of the comments will say its not needed? I can tell you that I would have loved to have had a Thruster. I boated in the Keys and Bahamas that were quite windy and it would have been a big help. My 450DA was a dream to captain and we went a lot of places the way we used her a Thruster would have been most welcomed! JC