I bought a Planet Bike "1/2 watt blaze" with the tail light. The tail light is great, but the headlight is only for being seen. I tried one Bell that was around $20 and a little better, but not much. I'm now using another Bell that is pretty good for seeing where your going. It came with a tail light and sold for under $25 for the set. It's black (they also make a gray one) and on it it reads Lumina, long oval beam, 180'-75-150. (The 75-150 stands for the hours the batteries should last turned on non-blinking or blinking.)
BTW, I'm using Lithium batteries and it seems to be brighter.