WW2 Sites:
The German Armed Forces in WW2 - The most comprehensive German WW2 site in the known universe!
Russian Military Zone - WW2 Russian armour (and more) site.
Operation Barbarossa - A site on the German invasion of Russia.
The German Afrika Korps - Dedicated to the Afrika Korps.
World War Two Picture Archive - Contains photos.
Achtung Panzer! - THE site on WW2 German armour.
Das Reich - A very detailed apolitical site about the Das Reich SS Division.
Erwin Rommel - A site for the Rommel fans.
Fandall's WW2 Aviation archive - All about WW2 aircraft.
Arsenal of Dictatorship - German WW2 weapons.
Porcupine Gang Photo Archive - WW2 photos.
The Kriegsmarine - WW2 German navy.
Steel Chariots - WW2 Canadian Armour.
Von Reitsch Panzer Page - The illustrated history of German Panzers in WW2.
Rob's Panther Page - History of the German Panther tank.
WWII Armed Forces - An excellent site by an expert in his field.
Commenwealth Orders of Battle 1939-1945 - Some great info on this site.
Tanks and Armour - If you want WW2 armoured formation profiles, look no further.
US Army Divisions in WW2 - Pretty self explanatory.
Panzergrenadier - All about WW2 German Motorised and Panzergrenadier units.
On Armour - A WW2 armour site by someone who knows what they're talking about.
Elite Forces of the Third Reich - All about Germany's elite troops.
A World of Tanks - Nice general page on WW2 Armour.
Sabot Up! - A new site dedicated to WW2 AFV's.

Other military or history sites:
The unofficial Canadian Army Homepage - An excellent all-round site.
D-Net - The official Department of National Defence website of the Canadian Armed Forces.
Veteran Affairs Canada - Well done site, dedicated to those who risked their lives for the freedom of others!
Canadian History and Geneology - A very comprehensive list of Canadian history links.
Reenactor.net - For those interested in reenacting.
Heavy Metal: The Tankers Home Page - Great site for Armour fans.
AFV News - More for the Armour enthusiasts.
Neil Baumgardner's Military Information Page - Some very detailed modern order of battles.
The Nafziger Collection - Just about any order of battle (WW2 or other) is available here.
National Archives of Canada - Official website.
The Avro Arrow Home Page - Dedicated to an aircraft that was too far ahead of its time. How many times have I wondered: What If?