Grid technologies have matured over the last few years. This level of maturity is especially true in the field of scientific computing in which Grids have become the main infrastructure for scientific problem solving. Due to its success, the use of Grid technology rapidly finds its introduction into other fields. One of such fields is enterprise computing in which Grids are seen as a new architecture for data centers. In this paper, we describe the vision of enterprise Grids, current scientific achievements that will leverage this vision, and challenges ahead.