In my opinion, if you are doing a full Mod and replacing the existing machine, I would go for the Gearless. One caveat though, some companies have gone so all in on MRLs that they will sell you a gearless Mod and use their machine roomless equipment. Kone does it with their MX machines and Otis will make your elevator a GEN2 with belts instead of ropes. So insist on a real overhead traction gearless machine, not something engineered to fit behind a rail or something.