Right handed. Good sensor. Tactile scroll wheel. Side buttons set further back (I find side buttons to be set too far forward for how I hold a mouse). 3 buttons for the thumb. One button for the ring finger.
Have you accepted Raspberyl as your loli and savior?
Wide grip to support ring and pinkie finger Flawless sensor with some DPI adjustment Metal construction, preferably aluminum Black and/or red or customizable colour Minimal/no branding Low lift off distance Logitech style click to click and frictionless scrolling Durable exterior, no peeling soft touch crap Sideways scrolling Fairly firm buttons to help prevent accidental clicking Fairly short body for claw or semi-claw grip.