have you tried clicking on what's new and selecting the activity stream - it can show up to 200 posts of activity as long as you do not log out; even if it balks at the 200 hundred mark, you can scan through what is shown and then reload the page to get more recent posts - always click on show more at the bottom of the page to get back to the last posts that you viewed
this is what I use to do moderating from as I can see everything that has been posted with a quick view of the first few words