I've been mulling over the Space Marine Stormtalon for a few days looking at its chunkiness and wondering whether it is a good or bad design. I'm undecided on the design, but I like the idea of a single person flyer and it does have a few similarities to the Bell Huey Cobra with its chin gun and side mounted weapons. The Cobra was a great piece of weaponry in the US arsenal - fast, narrow profile, and loads of weapon options. No one in their right mind wanted to be on the receiving end of business from the Cobra.
When I broaden my scope of examination to understand where this design might have come from, my thoughts jumped to the Forge World Blight Drone. Reverse engineer the Blight Drone and millenia of corruption and you have the Stormtalon.
Aside from these musings, I've been working on some Flames of War American Tankers, and a few Chaos Terminators for some games of Space Hulk.