Black Dimond Super Nova headlamp, uses 4 AA(Lithium or Alk),6 brightness levels. 3 LED, 3 incandesant. Spare bulb for incandesant in battery compartment along with a small 6 v backup battery for LED. Long run time, very water resistant. Printon Tec Youkon HL. 3 low level LED's, 1 1W highoutput LED. Also very water resistant. One of these plus CMG Infinity or Ultra. Same batteries, long run times, reletivly low weights. Used an Infinity for years, great light. The others are new to me, but I used them this winter camping and so far they're great, especially the BD. With lithiums both performed well at low temps, -5f and above. Both headlamps are around 50$. Not bad compared to the SF's I have, and as a side note my 50$ HL has a whiter beam than my 100$ SF L1! Not really a big deal for the outdooors, but annoying none the less.