Not at all ridiculous. In fact, I was thinking something very similar about a week ago but I didn't really dwell on it. After reading PG's most recent article, a couple things he pointed out seemed like a solidification of what you and I are thinking. Particularly, the last section: 'Faster Advances'. I don't want to be redundant, so if you don't remember, here you go: http://paulgraham.com/webstartups.html.
More broadly, simply sharing some of the things you mention is cool and all, but what if teams with complementing ideas collaborated. If our team is accepted, I'm definitely going to keep an eye out for teams who may be in related problem domains, or are approaching issues we expect to encounter further down the road.