APEX is probably the best on market as far as mass produced headlight is concerned. It use 4AA pack on back of head (or 2x123a, or 8AA on belt depends on model) as oppose to 3AAA in EOS, so runs longer, higher output, but of course heavier (except the belt version). It also have secondary floody 5mm LED. Make sure you get the 130 lumen version not the older 60/80. I had the 4AA version, and if I were to choose again I'm go for the 8AA belt pack version.
Never heard of the photon headlight.