Hi Tech Custom Light Mac Custom Is your best bet. You can use it on a bicycle or in everyday light and would suggest rechargable batteries. http://www.macscustoms.com/0ma188.web.officelive.com/Products.html
You want a top performing flashlight $199 recommended! $349 for titanium. Get directly from mac.
If you want to go something super special go Gizmo lights
Haiku XML Titanium lights to hand down to your family $450. 
This is the latest in bigger flashlights 800 lumens $120 with battery and charger:
pedalpusher 