Jimmy D. Brown just released his "Content Goldmine" Site.
There is information on 10 niches every month. You get a report, ecourse, keywords and affiliate opportunities to do whatever you want with them.
http://www.successtoolsonline.com/go/niche-content.html

He also has a very nice 2 Tier Affiliate program, $10 per tier monthly.
That can turn into a lot of money if it is well marketed.

Check it out at:
http://www.successtoolsonline.com/go/niche-content.html