Have you seen the PBS documentary titled "The Mormons" from award-winning documentary maker Helen Whitney?
If not, it's a great peek into the LDS culture and faith.
Here's a link to the piece about Mormon Missionaries, similar to the ones I wrote about, though not nearly as cool.
The first voice you hear is that of the late Gordon B Hinckley, the prophet of the Church while I was an investigator. He always looked like such a dear grandfather-figure to me.