Ask HN: See only important submissions from previous days?

I've started using Hacker News to stay up on the latest trends. However, I find that if I don't check the site daily, I miss some big stories.

I feel like I'm missing something basic. It would be great if there was a way to narrow things down to all 100+ point or 100+ comment submissions.

How do you make sure you don't miss important submissions from previous days?