H E L P !!!!! Do you know where the markets for these various types of commercial art are?

What markets are there for:
1. Video game art?
2. Commercial or editorial illustrations?
3. Pin up artwork?
4. Animation cells?
5. Comic book art?

Who are the dealers, galleries, patrons, or collectors for these items that anyone has ever heard of, come across, or done any business with?

Myself and several others own large collections of the artwork from famous contemporary artists who work in all of the above aforementioned artistic areas.

• We would be interested in selling our artwork
• Exhibiting our artwork
• Allowing others to co-publish our copyrighted images as stock images in their ads or whatever
• Buying or trading artwork to expand our collections

PLEASE ADVISE. We are trying to network to gather as many leads as possible. Your help is appreciated. Please let me know your thoughts. Thanks in advance.

Buddy