I scroll works well for me. Occasionally, the settings get set to some odd settings, so I just press the "return to defaults" button, it only seems to be a problem if i am installing and uninstalling other pref. pane (i.e.. USB overdrive).
MacBook 2.0CD, 2GB RAM, 10.5.8
[SIZE="3"]Apple's handling of iPhone apps is quickly souring my taste for apple products. I've aquired a Windows 7 machine instead of the new MacBook as my form of protest[/SIZE]