I just figured out how to use @phanpy's "Catch Up" feature and it's even more awesome than I thought!
It starts by loading up all the posts in your #timeline up to some point in history.
Then it lets you filter and sort the timeline in various ways.
The cool part is you can filter by followed #hashtags and muted words as well!
And the whole time it breaks down the visible posts by user, so you can identify the noisiest users in you follow, or people who spam a #hashtag!