I’ve just come out of another agile conversation where prospective clients confused “we want to build better software faster” with “we hope that some new processes will instantly catch us up on years of slipped deadlines and missing features.”

So paraphrasing Confucius, “A journey of a thousand miles begins with a single step, but is still a thousand miles long.  Even at twice your normal walking speed, be prepared for a very long slog.”

Read Rich's article for some great ideas on showing early successes in an agile project.