Printers who have not looked at working with the GPO should. Those who have looked but have not sought GPO work should look again. There is lucrative business at the GPO to be had, especially for the 30% of the time that the average printer has no work scheduled... meaning no income to offset expenses.
The key to developing the GPO as a solid secondary market is to be willing to seek work that can be produced when nothing else is scheduled. The printer must look beyond the myths of working with the GPO to the reality of increasing profits.