webmaster forums with link sales subforums
DigitalPoint – forums.digitalpoint.com
TextLinksForum – http://www.textlinksforum.com
DaniWeb – http://www.daniweb.com
SitePoint – http://www.sitepoint.com
DigitalPoint – http://www.digitalpoint.com
Webmaster Talk – http://www.webmaster-talk.com
WebHostingTalk – http://www.webhostingtalk.com
DnForum – http://www.dnforum.com
Web Sites to buy/sell links:
Adquick – http://www.Adquick.co.uk
LinkAdage – http://www.linkadage.com
LinkWorth – http://www.linkworth.com (I think this is the best)
Text Links Ads – http://www.text-link-ads.com
TextLinkBrokers – http://www.textlinkbrokers.com
BackLinks – http://www.backlinks.com
TextLinkPopularity – http://www.textlinkpopularity.com
LiveCustomer – http://www.livecustomer.com