we have used MDI - OLA for a couple of decades until the change to MDS 3. With it came a ton of problems and the threat of default rates because the software was extremely buggy. Fortunately, through several talks with MDI we were able to move to their premier software, the Matrix. It has a couple of features that are being installed today that should enhance the system even more. The Matrix is sweet and easy to work with - night and day between the two products from the same company. In addition for back up we have Care Watch from eHealth Data Solutions which is great for error checking and is also set as our backup for assessment submission to CMS. Don't get me wrong, nothing is perfect, but we have come through a lot of hell in the last several weeks and now things are looking up.