I think the takeaway here is that if you're going to promote something on HN, put your downloadable content on AWS or some similar CDN first. When there are nerds involved, expect heavy turnout.
Also, we're cheap. Really hope this works out in his favor and nets a few more signups. I'm interested to see the quality myself, as I've managed to hold off viewing or sampling any of these to date.
Yowza.