appalachian trail hikers and journals:

Trail Journals - most new AT journals can be found on this awesome site hosted by ZipDrive and Leif
Solophile's 1997 Thru-Hike - this is THE journal that got me interested in the trail
Nimblewill Nomad - Nimblewill's 1998 hike is the OTHER journal that got me into the AT

class of 2001:

Achilles Thru-Hike - awesome dude, met him in Virginia and Vermont.
JeffTrek - another class of 2001 member
Irine and Armies - yet another 2001er

class of 2000:

Step by Step - more journals...
All Things Trudge - yup, more journals...

class of 1999:

Sage - great dude, hiked with him a bit in PA
Single Malt - another great guy, met him at the Andover Guest House in Maine
Every Hikers Dream - dick christian heading north, another great guy
Stitches - great journal, especially the part about getting trapped in one of the Maine floods.
Colsolo - great site
Timex - not a thru-hike, but what an unbelievable story. a true inspiration
Kernel and Heidi - a man and his dog
Roman - met him briefly in southern VA
Adventure Treatment -
Jetson - southbound pride
Steve - OK, running out of stuff to say now
Steve and Mike - last one for 1999

class of 1998:

Felix Hikes - the Being John Malcovitch of AT journals
Bob and Brian -
Redbeard -
Hot Air from Dragon's Breath - make sure that you visit the rest of his site as well
Andrew Baird - another great journal site

places on the AT:

Dartmouth Outing Club - located in Hanover, these guys maintain the AT from Killington to Moosilaukie
Piedmont Appalachian Trail Hikers - a great trail maintaince group based out of Greensboro, NC
Georgia AT Club - an amazing job on one of the busiest sections on the trail
Laurel Creek Lodge - a great hostel near Hampton, TN run by Dennis and Mary
Mountain Crossings at Walasi-Yi - an oasis in Georgia for thru-hikers that are just getting started
Andover Guest House - a great b&b in Andover, ME
Nantahala Outdoor Center - in Wesser, NC this is a great stopever before the Smokies

random stuff:

National Geographic story -
Washington Post story - a half gallon?