Here are links to several Professional Artists. Learning from professionals is a great way to become a professional.
Galleries & Stores
Here are some links to online Galleries, as well as sites that sell artwork.
Visual Effects Studios
Here are links to professional Visual Effects Studios.
Here are links to several sites that provide Training and Tutorials in digital art and visual effects.
Here are links to some of the best Digital Art and Visual Effects software currently available.
Here are links to digital art resources, including 3D Models, Textures, and Stock Photography.
Here are some links to inspirational Science Fiction websites.
Science & Technology
Here are several links to sites discussing real and/or futuristic Science and Technology.