Here's a superbly painted platoon of the Topgun Marketing 15mm Grav Tanks, for your viewing pleasure:
http://s43.photobucket.com/albums/e368/Top_Gun_Ace/15mm%20Grav%20Tanks%20and%20Armor/Grav%20Tank%20Camo%20Schemes/?action=view¤t=LightTankPlatoon1.jpg
These are the Type 9 Light Grav...