Switched to an Elecom Huge about 8 months ago and it's probably my favorite trackball ever! Comfortable, plenty of buttons, nice large ball, doesn't get much better than this imo. : r/Trackballs
ELECOM Wired Trackball Mouse 8 Button M-HT1URBK Big Ball Tilt Function Black | eBay
Elecom HUGE M-HT1URBK trackball black/red ball, right hander, USB starting from £ 44.99 (2024) | Price Comparison Skinflint UK