For a brilliant, sharply defined light you can't beat (IMHO) the Aspherilux from Docter, Germany. Do a search on google.
I bought one at the PFA Rally a couple of years ago and it was a good investment. You hold it like a pistol, or a packet of fags, the bulb (halogen) is across the top.
LEDs can also be found at:
http://www.theledlight.com/agent.cgi...ightindex.html
cheers