Corsair Ironclaw RGB
Even though its name might suggest otherwise, the Ironclaw is a huge palm-grip-oriented mouse, and it's the newest creation of Corsair. It comes with an all-new top-notch optical sensor called the PixArt PMW3391.
Great sensor; Fantastic build quality and choice of materials; Good buttons; Main switches rated for 50 million clicks; Don't need to remove mouse feet to disassemble; Great-looking; highly customizable RGB lighting; Comfortable for a palm grip with big hands
Very thick; heavy; and stiff cable; Needs firmware fixes; No replacement mouse feet included