I chose the torch type lighter. As I explain on my website:
I used to have a Bic Mini model in my PSK, because Bics seem to be the most reliable of the disposable butane lighters, and because the Mini takes up little space and room in my kit. However, I switched to a refillable torch style butane lighter, for several reasons. The first and most important: torches combust the butane more fully than regular lighters do, thereby producing flames at a much higher temperature. My torch puts out about a 2,500 degree Fahrenheit flame, which is high enough to get nearly anything burning as tinder, if normal tinders are in short supply. Nylon packstraps, Spectra cord, cotton towel, compact discs, shoes, chocolate chip cookies... Whatever it is, if it's the only thing you have to try to start a fire with, you probably can, using a 2,500 degree torch. I also like that torches allow you to hold them in the actuated position for extended periods without burning your fingers, since the lever is farther from the flames. Torches also are more wind resistant. Finally, their flames can also be directed downward or sideways, instead of only up.
However, keep in mind, when reading the above, that it is just one of several of my back-ups, along with a firesteel, SparkLite, permanent match, fresnel lens, and true flint and steel.