So, I started reading Martin's A Song of Ice and Fire years ago, right after Book 3 came out. I love the grotequery of the characters so much that I haven't wanted to watch the HBO series and have someone else's vision of the story mess with the lovely (ugly?) vision in my head, not until well after the last book is released and I've read it a couple times.
However, if I were to watch any version of A Game of Thrones, it would be this one, which I found on Sploid today:
(the full length animated version is at the bottom of the Sploid post)