There have been a lot of discussions about DSG. The forum has a great search feature and you can search for past posts and theads on DSG or any other subject. When searching, be sure to put in "all dates" as your criteria to be sure you get everything.
DSG was the first MSC I worked for (about 10 years). Now that they use Prophet for their shops, it's much easier to input shops (used to have to call each shop in). I only wish they had more clients in my area.