Suppliers
This is a great company. Fast shipping, great prices.
Tapley's Classes - Required Materials Lists at Dick Blick
Daniel Smith makes a wonderful line of oil paint, as good as any of the high-price European companies. They also have an informative catalog, making it easier to figure out what you need.
Based out of Vancouver, Canada, these guys have some materials not found at American suppliers, like Pitt drawing pencils (see below).
Materials/Reviews