Craigslist seems to work pretty well for Muggles. I'd say most people can handle an ugly UI if reward > cost. Having said that, I haven't found a mockup I pref

Craigslist seems to work pretty well for Muggles. I'd say most people can handle an ugly UI if reward > cost. Having said that, I haven't found a mockup I prefer over plain HN either. It's about the content. Design largely stays out of the way.