How would a learning arena that promotes "just-in-time" learning in the workplace ideally be created? This was one of the most important questions the Norwegian research project, NEMLIG, aimed to illustrate through a series of work place experiments. The present article presents the evaluation of the project in the form of a number of dilemmas. These are clustered into three categories: those that related to present and future work organization, those related to the user-interface, and those dealing with user-participation and systems development. (Contains 1 table.)