A lot of my favorites are already listed, especially the legendary "8 Bottles of Dom."
Of the newer reports, I believe that two of the best are Daniel W's Syria report (already noted several times) and FlyIgglesFly's "Double Shot of Minsk":
http://www.flyertalk.com/forum/trip-...-currency.html
This story about a trip to Minsk (an otherwise boring town) is absolutely mind-blowing.