My current collection; the G903, G Pro Wireless and Razer Viper Ultimate are all currently on my desk. Not pictured: Razer Deathadder and (original) Razer Basilisk because I broke both of them
Razer Viper Ultimate VS Logitech G Pro Wireless - fingertip grip review : r/MouseReview
Razer Viper Ultimate or Glorious Model O wireless? : r/MouseReview