you say you want immortality? you say you want to end up in the heavens after you die? Well, this is as close as you can probably get.
NASA, appealing to these sort of urges and the five year old in us all, will send a microchip with a list of names to the moon. Submit your name--or, I suppose, any name (Teapot Russell comes to mind) at
http://lro.jhuapl.edu/NameToMoon/index.php