There are a number of different, quality directories you can submit your website to. The best of these do require a payment either annual or one time. Submitting your website to a paid directory does have the advantages of weeding out all of the spam submissions, leaving only quality links.
Best of the Web or BOTW has a Google PageRank of 7. Submitting your site will help you get more visitors, but perhaps more importantly, it will give your site a decent search engine ranking boost. Having quality links from high PageRank websites does help.
BOTW costs 149.95 annually or 299.95 one time. Here’s a link to the site: