Install seoquake toolbar in firefox and search your keyword on google, then underneath each search result seoquake will show you info about your competitor's domain like: pr, pages indexed, alexa rank, domain age etc. This wealth of info will give you an idea about the competition you're facing.
Find your competitor's backlinks by using seo spyglass(you can find it in the download section), this will give you an idea of how your competitors are bulding their links, their link divertsity, anchor text variation etc
Read the various ranking case studies given in the forum, backlinking strategies etc, you've got a wealth of resources here to follow
And once you're equipped with all this info, go for an aggressive backlinking campaign and watch your site rise the serps