War of the Ring Links

Veldrin's War of the Ring Forum - full of discussion about the online client and other aspects of WotR
Boardgamegeek War of the Ring Forum - another good forum, focusing more on strategy and variants

Rules Resources
Summary of rules changes in the Collector's Edition - for people who know the previous rules and just want a diff
Veldrin's War of the Ring Site - home to the official FAQ and other resources

Strategy Guides
There aren't any good expansion strategy articles. Write one!

Look no further than MrWeasely's compiled list (I've also re-hosted some of the variants linked to by his post on this very site, here, since they are currently unavailable elsewhere.)