Been playing more games that benefit from a higher DPS so I got one of these. Have had it for a couple weeks now. I'd been using the Expert for a few years and it was far better than any of the numerous gaming mice I've had, this is even better. Compared to the Expert this has a higher dps and the ergonomics are far superior, though not perfect. From what's available in NZ this seems to be the only mouse that combines the best of the trackball features with a standard mouse shape. What I love about both the Expert and Orbit Fusion is the center ball and the scroll ring, I'd never go back to using a vertical scroll wheel. The build qual...view more