I have to admit that I like it too. You really can't "overuse" an image like this -- the reason everyone makes a sci fi gunship like this is because it makes sense, from a tactical point of view and from a technological point of view as well.
Very, Very nice. Should you ever decide to covert these to scale miniatures (through Shapeways for example) sign me up for a dozen.
"Overused" would not be the word I‘d use here, it‘s more like "tried and tested". After all, why try something new when the old designs work so well? Especially when they are executed as well as you did it here