Old thread but I just did this mod and the difference is amazing. I cut the base of the old reflector and glued the emitter in the hole with JB Weld. Glued some wires in with conductive glue intended for automotive defroster repair to make a complete circuit. I am overwhelmed by the results.
Used a Cree 6090 from dealextreme.com
3V~18V Input 3W Cree Drop-in Module (supports Surefire 6P) - Free Shipping - DealExtreme
Used a Cree 6090 from dealextreme.com
3V~18V Input 3W Cree Drop-in Module (supports Surefire 6P) - Free Shipping - DealExtreme