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I assume you mean something on a Goodman mount or glove. I recommend one of the Titan Sculas, either 10w or 25w, from Hydro Light. Jeff at Divesafety is a great guy, and you get incredible personal service.
I have heard good things about Piranha's Penetrator lights, and the soft Goodman handle they sell for them. I haven't used one myself, so I can't really speak to specifics, but the price is quite reasonable for the specs. LED Lighting Products Piranha Dive Manufacturing