I don't have time to maintain this site, and don't feel comfortable recommending article submissions to article directories without LOTS of caveats.
If you're interested in link building with content, check out my recent articles at Search Engine Land:
* How To Research, Create And Distribute Highly-Linkable Content
* The Link Builder’s Guide To Analyzing SERP Dominators For Link Opportunities
* 10 Goals For Link Building Campaigns: Moving Beyond “Get More Links”
* A Guide To Qualifying Link Prospects For Relevance, Value & Potentiality