The Greencastle Fiber Event is held every April, second weekend.  I went this year and this podcast talks about what I saw.

I promised many links, here they are:

General vendor listing

Ohio Valley Fibers

Little Barn fiber (website seems unattended right now)

Sistermaide

Susan's Fiber shop

A description of the Ashford blending board

Super Glide picker

Sheep Street Fibers

The Woolery

The Fiber Closet

Fiber Optics

Cascade Farms

Lace Maker The Bedford College of Lace Making Stephen Bowman

Music is from MusicAlley.  it is a version of a classic, Scarborough Faire by Brobdingnagian Bards