Interaction Design often takes the spotlight when we consider User Experience, However, theres a bunch of interesting goings on in the world of information Design.
Its worth spending some time getting to grips with Information design as we often add interaction design because we don't have good ways of presenting information to users.
One of the better articles on this is Magic Ink
Another interesting web page is here
With technologies like WPF we also get to add animation to all this! The skillsets we need to make software products is going to get really interesting.