Curious as to who might be competing in your niche? Here's a site that just might help you find out:
SimilarSites - Find Similar Sites
My initial observation is it's still fairly green.
For example, I typed in tech-faq.com and it provided me with a large list of proxy sites and not much else. Although partially accurate, there's a bit more to tech-faq. One of my PR5 sites couldn't be analyzed. I'd recommend accepting results with a grain of salt.