I'm not sure about any of the courses offered in our area, but I've never been a big fan of them. I've always been curious about how things work, and I've never been afraid of breaking things sooooooo, I jump right in. This approach won't work for everyone but I think it's a personality trait that distinguishes casual users from "power" users.
What types of things do you want to accomplish? Have you tried Google? I think it's a great place to start if you have some basic knowledge about what you're trying to accomplish.
You can always send me a message too, I'll be happy to help or point you in the right direction.
Have fun!