After watching the Donmar theater's production of King lear, it's got me thinking, has any one ever tried writing a "heresy" alternitive in which rather then the "burn, try and kill the emperor and loyalists" approach, the traitors are far more subtle, and try to do a king lear on the emperor? has anyone done one where the primarchs have to stop the emperor who has been driven insane, possibly by the astronomicon?