Peter said: >The most important ideas afair are immediate user action feedback (optical >or acoustical or both), continuous current state indication (unlike the vi >editor ;-), and consistency in operation. Also that the most often used >controls are reached first, unless there is a reason to group them >otherwise. > >There are books written on proper gui and human/machine interface design. >They mostly amount to the same ideas as expressed above (the two that I >have read until now). You can probably find suitable titles from >McGraw-Hill or Prentice-Hall. I second the recommendation of another list member who mentioned Donald Norman's "The Psychology of Everyday Things." It's especially valuable in helping you understand what NOT to do. Reg Neale -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body