> Ideally, there should be millions of nanomachines that would
> topically control the biochemistry - and that would allow to
> engineer practically any possible physical, emotional, or mental
> state, that would feel quite natural...
Nanomachines capable of inter-cranial molecular synthesis should open up a vast "inner space" of possibilities for transhumans to explore.
Select molecular keys to the doorways of consciousness:
MDMA
http://www.hyperreal.org/drugs/pihkal/pihkal109.html
Ketamine
http://www.lycaeum.org/~lux/alchem/konunb.htm
DMT
http://www.erowid.org/entheogens/dmt/dmt_chemistry.shtml
http://deoxy.org/timemind.htm
It would seem that the elves already have Drexlerian nanotech ;)