A simple 'hover racer' done in Sketchup 7 and 3ds max. 3ds Max claims 526 polygons on this one, so less than one third the count of my previous submission.

Contents of the Zip file:

• Racer_1.skp (Sketchup)
• Racer_1.obj (OBJ Mesh)
• Racer_1.3DS (3DS file)