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Interesting subject btw.
Regardless of how unique a product or service may be, it is either similar to something or replacing something so I would perhaps start there for a base cost analysis.
Depending on your profit margins at specific price tiers, you could either undercut whats out there or if its really revolutionary, price it over market by what you think people would be willing ot pay for the extra convience or functionality.
Some good examples might be found in telecom. Alot of companies have or are rolling out IP based products to replace more traditional Frame Relay and ATM services. Its cheaper for the provider to maintain and upkeep and it offers the buyer a more transparent layer from application to transport for starters.