Vendors as Allies: How to Evaluate Viability, Service, and Commitment
When you're using enterprise software to help run your organization, the software vendor becomes a key ally--and the right relationship may be as important as features or price. Steve Lancman and Steve Heye recommend methods for comparing the intangible aspects of vendor services.
Heye, Steve and Steve Lancman. IdealWare (2007). Careers>Management