The start of a new army! I'm a terrible hobby butterfly, never able to concentrate... Anyway. I've always loved the Thunder Warriors, with their distinctive overlapping banded shoulder pads, their epic helmet crests, their old-fashioned early armour design that is clearly the ancestor of but different to Space Marine Power Armour, and their brutal attitude. They were the Emperor's first genetically modified army, precursor to the Custodes and the Astartes, the army with which he conquered Terra.
Conversion bits and another 9 dudes here