Anyone interested in discussion about the Game of Thrones series? I stumbled upon a forum here on DA:[link]
There are also some fantastic fan sites out there, but I would caution anyone who hasn't read the books because the book fans out there love to drop spoiler bombs. So beware! Or just go ahead and read the books.
Here is one that I look at on a regular basis: [link]
(very spoilery but great for readers)
Also here is a forum of "Completely Unspoiled Speculation" for people who have not read the books but who are watching the series. [link]
I love to read that one to see what people think!
And lastly, here is a site that has a great and comprehensive collection of fan art: [link]