There's a webinar offered by Compuware called, Requirements-driven testing—The journey from business needs to test and user acceptance. The event will occur on February 6, 2007 @2:00 pm EST (11:00 am PST.) Here's a brief description of the event.
IDC’s research indicates that 70-80 percent of IT project failures result directly from poor requirements gathering, management and analysis. With a requirements-driven testing approach, you can improve the quality of your requirements, involve QA earlier in the life cycle and maximize the ability of your projects to deliver on all of their objectives.