Gaming mice give you more options literally at your fingertips. Although you might find the increase in the number of buttons to be confusing, being able to move a keyboard command to the mouse might speed up certain functions in games you play. read more
The mouse itself communicates faster with the computer than a standard mouse. It queries its location on the table/desk surface a higher number of times per second, so that it is more responsive to your movements. read more
Gaming mice are not automatically higher quality than normal mice. There are plenty of low quality "gaming" mice and "normal" mice. But since gaming mice are more expensive than normal mice, people expect them to be of higher quality. read more