There's a free version of iTracer available now. I was pretty impresed with it, though I don't know if I want to buy it until they include an export function(claimed to be on the way). http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=293628173&mt=8 It's worth checking out if you're at all interested. After five years of art school I can make great 3D images like this:
