So I got the new codex on saturday and have read it from cover to cover at least twice. All I can say is that I think the codex is really good. The fluff in the codex is well written and there is some humour in there as well which really helps give the Space Wolves that rebelious feel to them. The saga's that can be given to the characters also help to make them feel more like a none codex chapter and add a real element of fun to the codex with the oaths that are attached to each saga. It helps to make you play to the spirit of the wolves by making you want to keep the oath and not break it and bring shame upon your character. I think these could be worked in to a cmapeign somehow or a similar idea could be used, i'll have to think a bit more about that one.