So, I'm in the home stretch of getting an alpha write-up of my Chaos Space Marines Fandex finished, and I'm trying to figure out what to do with the three Psychic Disciplines in the Codex. Tzeentch definitely needs a change, as it's got a glaring bug with Boon of Mutation, but I want to know what other people think. Should the Disciplines be changed at all, and should I stretch them to 7 power lists?
Also, are there any other powers in the Codex that people feel need to be changed?