The Market Samurai SEO Competition module is extremely powerful in helping you decide on phrases that are worth your efforts to optimize. The tool will show you your SEO competition, and tell you what you need to do to beat that competition.
The Market Samurai SEO Competition module will show you a snap shot of the top 10 ranked websites for any phrase, with a breakdown of both on-page and off-page factors. You can then dig deeper into the rankings if you wish, but looking at Page Rank of the pages linking to your competitors as well as the anchor text inbound links use.
Here is a video showing an overview of the SEO Competition module in Market Samurai. And don’t forget, you can get a fully function trial of Market Samurai.