Fixing the Requirements Mess

Fixing the Requirements Mess - Editorial - CIO is a decent article on various methods companies have chosen to gather requirements.

Nice quote:
"...IT often does not take a leadership position in the requirements process, instead taking the attitude that "the business is requesting it, so it must be the best thing to do. ...
To paraphrase Daniele Vare, managing requirements—like diplomacy—is the art of letting everybody have your way."