Hmmm yes Cultists could help set the tone, I would like the Legionsto play a versatile role. I.E. I can play them as something like CSM in 40k games and still play 30k games too. I collect models primarily because of their appearance and how I can imagine painting them, secondly if they will be effective in games- I often do the 'oooh shiny' thing and get attached to a model in the word bearers that might be a little unnecasary, for example I love the Bloodslaves that protect Zardu Layak as they would make a great addition to the Gal Vorbak but hate Zardu himself and think little more of the model itself