I have collected 550 of them so far. I never realized how prolific of a commenter I was.
On reviewing them, I'm finding comments that should be entries in my own journal as well.
So expect burst of posts, as I go through my comments and make them regular posts.
***Edit to add***
**To find the setting: http://www.livejournal.com/editinfo.bml
2/3 of the way down the page. "Get comments you post e-mailed to you"