Hi Jimbo;
Not as far as I am aware. What you CAN do is as follows; You click on a long thread (take poser of the day, for example) You go to page 2.
In the address bar you will see this;
http://www.crosswordsolver.org/forum/15502/offset/10
Handily, the last figure (10) refers to the final post number on the previous page.
So if you see there are 1264 posts you replace this last figure with the nearest lower 10, in this example 1260, to see all the latest posts.
A bit convoluted, but it works!