Without screenshots and/or more information, there's zero chance I'd sign up to get a better feel for what's involved with this. By all means try to get early c

Without screenshots and/or more information, there's zero chance I'd sign up to get a better feel for what's involved with this. By all means try to get early customers as you flesh out the site, but I wouldn't recommend pitching to HN until you've done a bit more work otherwise your conversion rate is likely to be poor.