Hello...
I'd like to see link "Show all unread post" couse it would be a lot simplier to browse what i didn't read yet.
If mooman wants to "make me even more lazy" then:
find index.template of style and find:
<a href="', $scripturl, '?action=unread">', $txt['unread_since_visit'], '</a>
Then add before this lane this:
<li><a href="', $scripturl, '?action=unread;all;start=0">Show all unread posts.</a></li>
I guess you would need to edit all styles we use.
Creating $txt['all_unread'] is usuless since all know english here (almost).
I just find it strange how unread system works on SMF so would be useful. I scripted same to my forums.