I know people debate this like religion but if your sick of the mouse acceleration curve in OS X (like me) here is a GREAT utility for just turning it off...
http://www.knockknock.org.uk/mac/
If you love the acceleration curve in OS X then disregard this post...
http://www.knockknock.org.uk/mac/
If you love the acceleration curve in OS X then disregard this post...