Member Alan Poulter reports have posted to http://grognard.com/20021020.html a substantial supply of links and files including errata and variants:

Links
B-17 (AH) - updated link to web site
Belisarius, S&T#210 (DG) - official errata
Blue Max (GDW) - updated link to web site
Mark Butler - updated link to home page
more advanced die roller (Daggerford.com)
Escalation (network game)
First Indochina War, S&T#209 (DG) - official errata
GameTable Online
Gunslinger (AH) - another web site
Napoleonic Miniatures Wargame Society of Toronto
Phalanx Games
Svgames.com (shop)
Triumph&Glory (GMT) - link to terrain effects chart (PDFfile)

Files
Advanced Civilisation (AH/MMP) - map and files (zipped files, 3/4Mb) for Alea expansion of Eastern Expansion
Advanced Squad Leader (AH/MMP) - more Q&A
Advanced Third Reich (AH/Avalanche) - updated list of PBEM opponents
The Battle of Abensberg, S&T#113 (3W) - more Q&A
En Pointe Toujours II, Vae Victis#31 (HC) - English translation of scenarios 1 through 18 (Word file)
Fortress America (MB) - variant
Fortress Europa (AH) - more Q&A
In Flanders Fields (MiH/Critical Hit) - Cyberboard gamebox (zipped file)
New World (AH) - erratum
Valley de la Mort (MDG) - Q&A
updated wargame companies/publishers directory

Indices
13: Colonies in Revolt, S&T#104 (TSR) - updated article index
Air War (SPI) - updated article index American Civil War, S&T#93 (TSR) - updated article index
Anzio Beachhead, S&T#20 (SPI) - updated article index
Barbarian Kings, Ares#3 (SPI/Jolly Roger) - updated article index
The Battle of Abensberg, S&T#113 (3W) - article index
The Battle of Eckmüehl, S&T#114 (3W) - article index
Battle over Britain (TSR) - updated article index
Berlin '85, S&T#79 (SPI) - updated article index
Bloody April (SPI) - updated article index
Central Command, S&T#98 (TSR) - updated article index
Citadel of Blood, Ares#5 (SPI) - updated article index
The Creature that ate Sheboygan (SPI) - updated article index
Cromwell's Victory, S&T#101 (TSR) - updated article index
Dawn of the Dead (SPI) - updated article index
A Gleam of Bayonets (TSR) - updated article index
Hastings 1066, S&T#110 (TSR) - updated article index
High Crusade, Ares#16 (TSR) - updated article index
Iwo Jima, S&T#92 (TSR) - updated article index
Julius Caesar (TSR) - updated article index
Kanev, S&T#115 (3W/PWG) - article index
Korea: the Mobile War 1950-1951, S&T#111 (3W) - updated article index
Monty's D-Day, S&T#102 (TSR) - updated article index
Napoleon at Waterloo (SPI) - updated article index
Nordkapp, S&T#94 (TSR) - updated article index
Omega War, Ares#14 (SPI) - updated article index
Patton Goes to War, S&T112 (3W) - article index
Pleasant Hill, S&T#106 (TSR) - updated article index
RDF, S&T#91 (TSR) - updated article index
Remember the Maine, S&T#108 (TSR) - updated article index
Road to Vicksburg, S&T#103 (TSR) - updated article index
Ruweisat Ridge, S&T#105 (TSR) - updated article index
Singapore, S&T#96 (TSR) - updated article index
Soldiers of the Queen, S&T#95 (TSR) - updated article index
Spies! (SPI/TSR)- updated article index
Superpowers at War, S&T#100 (TSR) - updated article index
Trail of the Fox, S&T#97 (TSR) - updated article index
Wellington's Victory (SPI) - updated article index