Lupolux LED Fresnel Lights. $1200 For 1K. NAB 2013.
Here is a quick take on the new Lupolux fresnel LED lights. They are quite inexpensive at $800 for a 650W and $1200 for the 1K. They only draw about 90 Watts of power and have a dimmer and a focus knob.
Click here to check it out.