I found these particular studio sites by accident. Mostly these companies produce the video or photo content to sell directly to webmasters producing their own porn sites. Increasingly these studios have built up huge inventories of product that they have decided to market themselves. So you can find a company that produces porn in a style that you like with the quality and content that you like and you can join. Most offer streaming and DVD downloads. Check them out, it might be just what you've been looking for.