Laid down a base coat of classic Space Hulk PC 1993 computer game dark blue/GS purple as a test scheme. A dry brush of light gray may go well to bump out the highlights. The bottom right squad is maybe some Copplestone Casting WWII Panzer Grenadiers, with a nice dark blue base. They're going to be my front and center Genestealer Cultists, so I think it's going to go in a different direction than my usual army, namely NOT the pictured gray/red/tarnished silver scheme I usually use to keep my Imperial troops distinguished.
Laid down a couple of coats of tarnished boltgun metal for the Immolator, which feels nice. It got a base of Tamiya German Gray instead of regular primer, which I realized wouldn't work back in the day, but I'm going to roll with it and weather the bajeesus out of it and hope my sloppy, rambling, sluggardly, heretical painting will go well from here and not incur Yarrick's further disapproval.
I like the Genestealer Cult more and more, and that 6th edition codex available online provides some nice weird rules (namely the fortifications and the self-destruct stuff) that ought to take my cohort of gamers by surprise. And I can field my Leman Russ, sentinels, and cadians, and it gives me a chance to use 'nids as an ally pretty easily. Sort of a Inner Circle of blue 'stealers, hybrids (my 3rd edition hideous catachans!) and a Magus, coupled with my Termagaunts, spore vents, and spore clouds (spore clouds are frakking easy to kludge together, BTW remind me to bodge some ping pong balls together on 25mm bases to explain what I mean...)