Also, just to clarify: good user interfaces are tested. Their creators collect empirical data. This is what separates visual design from UX. UX (user experience

Also, just to clarify: good user interfaces are tested. Their creators collect empirical data. This is what separates visual design from UX. UX (user experience) is testable, and you can get hard data, distribution curves, and confidence intervals. Anything less should make you feel.... unconfident. At least, for an interval. ;)