I spend several hours a day organizing, cross-linking, and renaming threads. I think the best way to find threads is to use the Filter and put a keyword in the filter box and set the age back all the way. From the list that appears, pick out threads that look interesting. Chances are, you'll find that related threads have been crosslinked (crosslinks appear toward the top of the thread).
Jeff is working on refinements to the crosslinking system.
-Joe Offer-