The Romisen RC-G2. I have one of these in every car and a few more in toolboxes and drawers. Great AA light. Comparable beam and throw to my Surefire E1B. Forward clickie. Solid feel in the hand. Highly recommend.

I've also bought 25+ of their fauxtons and they have all worked well. I keep them for kids to play with or give-aways to unprepared people.