Links to fun, interesting and useful things are listed here for your delectation.
Korea, Korean (한국, 한국어)
TalkToMeInKorean.com – tons of free materials
Korean Wiki Project – tons of information
LP’s Korean Grammar Guide – in depth guide
Daum Dictionary – Korean dictionary
Google Translate (ko – en) – useful in moderation
Google Images – just to be sure
Daum Comics World – Practice material!