There are a lot of resources for great information, webinars and trainings available to you. Below is a listing of a few of the resources available.
International Dyslexia Association
Don't forget to look for your local area or state chapters of the IDA. They are great resources for local information.
The Yale Center for Dyslexia & Creativity
National Center for Learning Disabilities
Disability Rights Education and Defense Fund
Parent's Resource Network
A Day In Our Shoes
Dyslexia Training Institute