Echo the idea about the landing page, but I wouldn't spend the money on adwords. You've got a lot of resources through forums and friends to push your idea and

Echo the idea about the landing page, but I wouldn't spend the money on adwords. You've got a lot of resources through forums and friends to push your idea and a ton of blogs to reach out to. Peldi from Balsamiq has a great primer on how to market a new start-up on his blog titled Startup Marketing Advice. Read. Implement. Learn. Rinse. Repeat.