You could start with going to a illustration rep website that offers a lot of artists genres:
theispot.com
Illustration Web
Input your genre into the search portfolios section that you are interested in researching.
You will come up with lots of portfolios.
Click on the artwork that most fits the type of artwork you can see yourself doing in your career.
Look for an artist with a client list > this will help you to see who buys this type of artwork.
Look at their own website, refer to this in your presentation.
Use the Graphic Artists Guild Handbook, Pricing and Ethical Guidelines to determine the going rate for the artwork in the portfolio, based on the project deliverables and the size of the client.
Use these dollar amounts to fill out your Freelance Studio Operating Expenses Blank Template
One of the main things to consider in your research is how much you will get paid per project.
