Here are a few resources to help in the game, starting with a World Guide.
http://www.g4tv.com/thefeed/blog/post/718977/kingdoms-of-amalur-reckoning-world-guide-an-intro-to-quests-places-races-people-creatures-and-factions/
Here is a wiki.
http://amalur.wikia.com/wiki/Kingdoms_of_Amalur:_Reckoning
Here's IGN's wiki which has a page on Faction Quests, one on Lorestones, a video walkthrough, etc. The most important thing here are the brief quest descriptions which are useful if you want to pick and choose among quests.
http://www.ign.com/wikis/kingdoms-of-amalur-reckoning
List of Quests (not all have info on them yet)
http://amalur.wikia.com/wiki/Kingdoms_of_Amalur:_Reckoning_Walkthrough
Another Video Walkthrough
http://www.gamefront.com/kingdoms-of-amalur-reckoning-walkthrough/
Combat Guide Video
http://www.g4tv.com/thefeed/blog/post/718606/kingdoms-of-amalur-gameplay-video-reckonings-combat-comes-to-life/
Here's the official site. Click on Game Info (left side) and choose a category.
http://reckoning.amalur.com/
Here is the official forum. Note you can't use the search function without registering although you can browse the forum postings.
http://forums.reckoning.amalur.com/
Modding the inventory--Warning! I know nothing about the sources.
http://www.se7ensins.com/forums/threads/tut-how-to-mod-kingdoms-of-amalur-inventory-capacity.681463/
http://www.se7ensins.com/forums/threads/tut-how-to-mod-kingdoms-of-amalur-inventory-capacity.681463/#axzz1sdTy2k3p
