There's a lot of these people, myself included. Most are at rec.pyrotechnics. My guess is you won't find much on these forums for two reasons:
1. We don't discuss how to make pyrotechnic devices, explosives, drugs, or other illicit material.
2. We discuss the academic and scientific aspects of these materials, not the practical 'how to' side. For two good threads look in the Inorganic Chemistry forum under 'How do the fireworks emit light' and one thread that just wrapped up in the 'Random Science Question' forum about the physics of explosives. Personally, I find the chemistry fascinating. There's a lot of interesting chemistry from the inorganic to the physical side of things.
If you are still interested in discussing the academic and scientific aspects of these types of chemistry, please stick around. If not, you're more likely to enjoy rec.pyrotechnics (Google news groups).
One more thing, if you make a decent attempt at proper grammar and punctuation you're more likely to get a response on the forums here.