A lot of really good training material has been written about GIS so there is not point in repeating it. If you want me to find more for you or post something, please let me know.
Here are some of the links and information pages I have used:
GIS links-training
| Site | Description | Focus | Source |
|---|---|---|---|
GIS links-data
| Site | Description | Focus | Source |
|---|---|---|---|
GIS links-applications
| Site | Description | Focus | Source |
|---|---|---|---|