If you are using the new D&D Next rules in your game (like I currently am), there are a number of resources you should be aware of to keep up to date with the latest thinking of this still-evolving game.
One resource that I seem to keep "rediscovering" is the The Tome Show. While I've been a fan of this podcast for a while for their D&D 4e coverage, I'm glad to see they are just as thorough in