Ok, so I think I'll do this. I'll get the 8x AAA holder, fill them with NiMHs, to get 12V, and drive it with the 1000mA 'Puck to give it a safe but powerful 12W. Anyone tell me if this isn't safe for some reason, because I REALLY don't want to blow this thing out. And Sunrider, I figured anything will be brighter than the 3W Lux. III Green led I have been powering with 4x AAAs and an MR soundboard, and I wanted a really rich, deep color, so I don't think I'll be dissapointed!
Edit: Oh, and for heat, I'll coat the heatsink with thermal compound(Arctic Silver 5) that they use in computers, and drill some vent holes in the hilt.
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