Just checked some of your work. It's really amazing. Great job and stunning quality.
But I didn't go in details. What do you exactly sell? Sprites or models (3d Max Studio or any other?). Cause for us (2d game developers) what you've presented is not very useful. We would rather preffer to have a top down view or view from a side - not "isometric". Cause as it is right now I see no way of using it in game other than in some trailer.
And a tip to your marketing guy. Don't be so "Hurry, don't miss it" and "we have THE best customers ever" lols. Your work talks for itself. Just be yourself .
Again, Great piece of artwork. Definitely worth the price.