TNX.net is a marketplace for webmasters both looking for publishing tools as well as advertising. Webmasters are able to choose their advertisers themselves while placing links that are relevant to pages on their site. The price of the links is very reasonable and you are given the ability to promote hundreds of keywords with just a few clicks. TNX pays out on a monthly basis for their publishers network in a very convenient fashion through either paypal, check, wire or bank transfer.
They also have a variety of advertiser tools to make your paid links look natural for Google, with a link generator and a simple cloak script you can accomplish a very easy affiliate link. They offer an affiliate program for which you can also make a pretty penny off of referrals to their network.
In terms of ease of use, the site is very easy to navigate and the admin panel makes it extremely easy for both advertisers and publishers. You can automatically place tons of non-recip links to your site as well all through their system. As an advertiser you can get some of the lowest prices on links anywhere. I think it was around $10 a month for about 10,000 static links to your website, which may or may not be accurate, but even still it is a good deal.
For SEO consultants and specialists, you can apply for their program and get discounts up to 50% off which goes well beyond any other text links marketplace out there. There are minimum requirements for joining the TNX marketplace, however they arent that stringent and you should be able to meet the standards.
Overall TNX is a great system to assist website owners in attracting visitors and clients from search engines and relevant websites. It helps to reduce the dependency on search engines, as well as improve quality of the search results for those websites that join the TNX system.