Right now both REI and Mountaingear have the Black Diamond Cosmo on sale for $20. I own it and I'm very happy with the light beam, battery life and small size.
It is 55 lumens and throws a beam 33 meters / 36 yards.

I shop at REI frequently.
I have not purchased from Mountaingear before (I received their catalog yesterday. If anyone uses them please let me know if you would recommend them.)

My outdoor EDC headlamps are the Cosmo and Black Diamond Storm.
(Two is one, one is none.)

My city EDC is a very small 11 lumens 25 m / 27 yd Princeton Tec Bot headlamp.
Plus a minimag with a terralux led and Doug's Pico.