I think it depends on one's eyes to a degree. Are you watching it on the HD channels? When the camera pans left and right across the field the effect should be most noticeable. It's hardly experience-ruining, though. I watched some of Roland Garros on ITV1 HD (most was on ITV4 SD - rubbish bitrate!) and it was fine. The ball leaves a slight trail, but again it's not really relevant and doesn't stop you being able to follow the action. I'd say football and rugby are the worst sports for noticing motion-handling 'problems'. Roll on Wimbledon HD.