More cutting edge options for your remains - these from Nadine Jarvis. My favorite? Using the carbon in your cremains (heh, love that word... it's so silly) to make pencil leads. Possibly the only way to keep me from chewing on a pencil. The gruesome bit is that she puts the name of the deceased on the pencils.
These are just art pieces, I don't think they'll be commercialized. They're even too weird for me!