Gene Roddenberry had his ashes rocketed into space.
If you're not into being burned to a crisp upon your demise, but you have a Roddenberry-esqe desire to carry your geek factor with you into the afterlife, perhaps a Star Trek casket is perfect for you.
I have a sneaking suspicion that the only thing getting transported into a new dimension is your cash into the salesman's pocket, but live long and prosper, gullibility.
Oh, look - they have an urn, too, so you get to choose. Hot or not.