I would like to share the method of getting super targeted traffic that worked well for me and thought it will be a good idea to share it with you so you can benefit from it. it works.
Basically what I do is I go to google alert and create an alert on the topic that I'm targeting I'm in internet marketing niche this what I'm familiar with so let say it will be on affiliate marketing or make money online. You want this keyword to has the largest amount of traffic possible don't make alerts on keywords that has low amount of traffic. so what next.
For the potions of the alert I like to make it like that
How often : as it happens
Source : Blog or Discussions. you can create one for blog and another one for discussion I don't miss with other. just this two.
Region : any region
language : English
How many : only the best results.
After that, what will happen is google will send you an alerts of the blog posts and forum discussions that are new and updated and recently indexed by google. this are the most hot today and will get a lot of traffic. what you will do then. if it's a blog you will comment on it by your link or if it's a forum discussion. you will join and post with your signature. it's that simple.
it worked well for me. let me know what do you think and if I can help you with this.