Small Indie company looking space ship designs

Looking for 2D isometric views in PNG files. This project will require approximately 30 ship designs in total from small shuttle craft to Heavy combat ships. We are interested in designs ranging from sleek, polished ships to dark and ominous (All design types are welcome except for cartoonish). Show us what you've got or what you can do. Selected artist may be commissioned for additional work in areas of Space Stations, Jump Gates and "Under Construction" designs. Please have samples of your work ready to show.