I guess I can elaborate on this since I've decided against registering it. The domain in my sig is for emoscene.com. The term "emo scene" has an OVT of around 1200, and I'm already ranked fairly well for that term, but the resulting traffic isn't anything special (every little bit counts though). The general keyword I am aiming for is "emo" which has an OVT of almost 250,000. So I noticed that em-o.com was available to reg and I was just wondering if it would help me gain high search engine ranking for that term if I created a basic site with a bunch of quality content and then used a huge banner ad in an attempt to direct the resulting traffic to my main site.
But from what I've read, the SEs would treat it as "em o" and therefore it would be useless. Besides this, my site has started ranking for the term "emo" in the past 2 days, so I guess with time I will reach the desired results.
Thanks everyone for the replies.