I haven't heard anyone mention the Streamlight Night Com LED Flashlight. I had to buy 1 to "play" with and "try out". I have to tell you that it is a nice light. I have used it almost totally in red mode, and I have to tell you I like it. For $39.95 it's a keeper!
Rotate the mode select switch to choose the safe position or any of 3 lighting positions:
1. Lo power indicator type LED (for maximum night vision preservation); <0.05 lumens
2. Two Ultra-Bright RED LEDs; 2.5 lumens with up to 28 hours of run time
3. Center C4 bright white LED; 105 lumens with up to 3.5 hour run time
Here's a link @ BrightGuy for it
http://www.brightguy.com/products/Streamlight_Night_Com_LED_Flashlight_51056.php My .02 FWIW YMMV