well that is a bit broad. if you could specify what exactly you want to know about the game we could narrow down your search and you may be more successful. all i can really do is point you in the right direction.
Gaming mags
+these are a good source because they generally hold themselves to a higher level than websites do
+the writing is generally better written
-the information is not as frequent
-you will always have to pay for them
Examples: gameinformer, playstation magazine, edge,
Gaming Sites
+they can be updated almost instantly
+information is sometimes unofficial
+videos of game
+specialization of sites
-some bias.
-more annoying ads
-some info is rumor and thus not accurate
examplesIGN, kotaku, joystiq, gametrailers
Fansites\forums
+large pool of similar people with common interest
+people know a lot about game
+proactive in finding new information on game
-largely biased
-can often believe rumor as gospel
examples: KoAR forums, wikia, 38 fans, 38 games, 38 watch