You want to attract tons of visitors to your niche website, right? Then finding the keywords associated with your topic is absolutely crucial to your success. This isn't easy stuff, but it's worth it. This is usually the step in building niche websites that people get hung up on, and it's for a good reason.
This is where the elbow grease and stick-to-it-iveness part will kick in. But doing the planning first and digging in to research will payoff in the end when your site is making money!