Scroll Reverser: get in practice for Lion
http://blog.pilotmoon.com/post/4041089648/scroll-reverser-get-in-practice-for-lion
A tiny OS X app that reverses trackpad scrolling behavior to mirror that of iOS—and of Lion. I’m using it now. It’s no problem for up-and-down scrolling, but very confusing when you get into 365° scrolling.
