In terms of reliability the Myo XP is a little dissapointing but it is such a powerful torch (bearing in mind the small batteries) and Petzl are so good about replacing them that I'm sticking with it for the time being. The last time I tried comparing Tikka/Zipka headtorches they just don't have the brightness of the Myo. Petzl USA. Non-stop power! Compact and multi-beam, ACTIVE headlamps guarantee comfortable lighting over time. They respond to the need for versatility that comes with outdoor activities like hiking, trekking, bivouac, mountaineering Shop the best selection of lighting at Backcountry.com, where you'll find premium outdoor gear and clothing and experts to guide you through selection. If Petzl upgrades the MYO XP by putting in a regulator, allows for use of Lithium AA's, makes the MYO XP water proof and gives it bigger button switches, then they will have one for the best all around headlamps. So, they have some work that needs to be done. As of now, I'd call it a good headlamp, not a great headlamp. We've created easy-to-navigate departments that house our ascender parts, descender parts, headlamp parts, helmet parts, lanyard parts and rope protector parts to help you find the specific parts you need fast. These replacement parts are manufactured by top-of-the-line climbing brands, including Petzl, OPG, CAMP and aSTEP. I recently went backpacking and I took along two Petzl Myo XP headlamps that I purchased probably around 2006 or 2007. Even with brand new batteries in them, the headlamps would turn on very brightly for about a minute, then the low light battery would go on for 10 seconds, and then the headlamp would shut off altogether. A closer look at the Petzl Myo RXP headtorch available at www.simplyhike.co.uk. Category Howto & Style; Show more Show less. Comments are disabled for this video. Advertisement Petzl supports their products extremely well. My Myo XP's strap has stretched and lost its elasticity, making it unwearable