While I do dabble with loyal forces and the Inquisition, my true love lies with Chaos. My first 40k army, 12 years ago, was the  Death Guard- back in the day one had to make one's own mutations and conversions and spilling guts using green stuff. I have recently fallen in love with the new Chaos Marine models. I think they are amazing and so much better than what we had back in the day. And the Start Collecting box was just too good to ignore- I just love the models for the Greater Posse