You may be able to find inspiration in any successful e-commerce Web Site. Here are a few sites that I feel display product details well:
Obviously, your Web Site will be not be as high-profile as the ones above, but they should give you a basic idea of how to set out product/details pages.
It's important that you display the price without making the user search through your site for it. Try to show some fundamental details upfront, and then provide a link for the user to get more details if necessary.