In recent times two things have happened. Firstly, but chronologically second, we have gained a new codex for the Thousand Sons. The codex is actually quite good. Positives include more wounds for your Arcana Astartes and the daemon engines gaining some extra shooty points. Negatives include no actual daemons in the book and you can no longer take hordes of minions. Which to me is a downside as I liked the image of a powerful sorcerer kicking about a mass of expendable underlings towards the enemy. Also gone are the stratagems that allow you to mutate models into daemons or spawn. Do not despair, this is now part of the crusade rules. In fairness I think this is probably a good thing, partly because it probably takes longer than a single game turn to mutate, partly it is also fairer for those of us who don't have the spare models kicking about to spontaneously drop in a Daemon Prince because of a lucky roll. Other things include a whole load of new rules for Cabbalistic Rituals, In...