It is not clear where to focus my attention. There is no "do this, now" on the homepage. I'd make the focus right now on registering with the site, since your

It is not clear where to focus my attention. There is no "do this, now" on the homepage. I'd make the focus right now on registering with the site, since your userbase is going to be really small at the start. A really simple registration form that stands out could do wonders for you. I'm short of time, it helps when your site tells me what to do. OKCupid is a great example of how to convert visitors into members.