Since I don't think I've ever dropped a flashlight when it was light out or when the light was on, I like having two lights. I keep a Princeton Tec pulsar on my keychain (which I hope to upgrade to an ARC AAA when my Christmas debts are paid off) and a PT Attitude . The Attitude is a much more useful light and I use it 90% of the time. The keychain light has more or less be relegated to finding keyholes and looking for my other lights if I drop them.

FWIW

Chris.