http://traffic-swap.net/
Banner exchange with ratio 3:2.
Counter to place on yor sites to check ammount of visitors.
Mailing list to gather surfer mails or webmaster mails.
Webmaster referral program, get 20% of the impressions that your webmasters earns.
Try it out, its free and you wont regret it.
http://traffic-swap.net/ high quality banner exchange, dont let traffic go to waste.