Fear and Loathing in the Arduinian Wilderness - recollections of session run by Dave Hargrave
Wikipedia's list of self-sufficient webcomics - I was surprised by how many of these I read regularly or are at least am passingly familiar with.
The Halls of Tizun Thane - a 3e update of a classic White Dwarf adventure. I must get the original! Also, go up the local directory for more cool stuff.
Wild West - Free legal HTML version of the old FGU cowboy rpg.
Map Maneuvers by Farrand Sayre - one of them there google book thingies