go to www.erowid.org, as with any plant entheogen if one uses it in the right way it has huge shamanic and spiritual benefits, if not it's just another plant to get a cheap buzz off, but if used right it can litterally tear your soul out of your body and into astral or etheric depending on how much your soul can handle, as with most things it's also about how much you are willing to let go while using it.
I would enjoy inducing Astral Projection. I can do it already but hey...if I can make it happen easier I may as well =)
I know the drug is not at all a cheap High. if I want that I will go elsewhere for it.. Salvia was used specifically for the state of mind it puts you in and that is the exact reason I was thinking about using it...
If you can not get your hands on Salvia maybe have a look at DMT extraction processes, can be extracted from quite a few different plants and DMT as the soul molecule will cause the same flash effect and yank out your body that Salvia did, DMT is also found naturally in the body and is only released at moments of death, birth and awakenings, thus a very special chemical for the using.