FoW Bootcamp - Good starting point for FoW.
WWPD - Podcasts - These guys are great, these are a must!
Battlefront - Podcasts - Podcasts by the FoW guys.
FoW YouTube Channel - Some good painting video's
Easy Army - This is a web based army building app. Much better then Army Builder.
FoW Downloads - Lots of useful stuff.
Campaigns - Because I play Eastern Front
Battle of Kursk
Battle of the Ukraine
Tigers in Focus - great site for looking up individual tiger tank numbers
Hobbies.com - Airbrush and paint supplies.