If Ctrl+Scroll annoys you while using a browser, you may use the No Mouse Wheel Zoom app. This portable app disables Ctrl+Scroll zoom-in or zoom-out functionality in web browsers. Not only browsers ...

As described earlier, it is the middle mouse click that changes the mouse pointer into an arrow with a vertical scroll bar. Before you try the following suggestions, click anywhere on your screen and ...

Speaking only of the default Windows & OSX mouse drivers...<BR>When I use the mouse wheel to scroll in OSX (10.5) it seems to be able to detect whether I "flick" it quickly, or slowly turn it.