I have spent weeks researching the game in between BWEs. I had found lots of information but not really the answers to some pretty important confusing issues for me.
TheValiant has done a really great job summarizing everything you need to know, and it is well worth the read
GW2 Tips Index:
http://dragonseason.com/Front/tabid/124/EntryId/176/GW2-Tips-Index.aspx