A cost-effective and wonderful way to capture the voice of a loved one's story is via audio interview on state-of-the-art digital recorders. The end product is a highly produced CD that can be replicated indefinitely.
Here's an audio excerpt of one Steve did with his own father, which was played at his funeral:
This is relatively inexpensive, but will depend on how long the inteview lasts, how long the final, edited piece is, travel considerations, whether it's a written document, edited audio or edited video, which is the most costly.
Contact Steve to discuss the options.