The beauty of a unique domain name is that it will set you apart from your competition.  In some cases a company can gain popularity simply because we like their name een if the product or service is not the greatest.  The only issue with a unique or complicated domain name is that one could easily misspell it.  You could be losing a lot of trafiic because of human error.

To avoid lost traffic from misspellings you may want to acquire these other names and direct them to the correct site.  you may use tools like domain typo generator. This will genereate common misspellings for your name.  It not only generates names that saound alike, but it will replace letters with others which reside next to the right letter on the keyboard.