Are you familiar with AIM? If not, then make sure you visit their website. AIM is a resource to state and district level educators, parents, publishers, conversion houses, accessible media producers and others interested in learning more about and implementing AIM and NIMAS (National Instructional Materials Accessibility Standard) part of IDEA 2004.
This website is an extremely comprehensive resource for information regarding accessible materials, as well as many other things. They even have information specific to each state in the US.
They hold webinars frequently. Missed a webinar? You can look in the archive.
So check it out, and be prepared to learn a lot.