Yep, I have tried it a few times and have it sitting in a bag in my closet. Powerful stuff for sure, but not necessarily something that isn't fun to experiment with.
I have tried it alone once or twice, with 1-2 friends a few times. All the experiences have been great, some scary, some fun, some exciting.
There is no doubt that they drug is extremely powerful and NOT a social drug. Last time I did it I was alone in my bedroom. Had a crazy time! Light seems to take on magical qualities for me.
I am pretty well informed, or well read, about hallucinogens as I'm writing a lengthy paper on it...but have yet to try all that many. No LSD yet, and definitely no PCP.
Anyway, I picked my salvia up at a shop in Ithaca, NY when I was home a few years back. Worth trying, but do so in a good situation, of course.
Keep a notepad or dictaphone or something nearby when you take it, since there is lots of great mental fireworks going on...my friends and I always make sure to try to capture the experience somehow.
And...be warned, it works really quickly...like before you can put the bowl down if you are smoking it! I've also heard from friends it is much, much more powerful out of a water bong...have only smoked it from a marijuana-style pipe.
Enjoy!