Top of the line heat output. The XGK will burn just about any fuel - white, leaded or unleaded gas, avgas, diesel, kerosene or #1 stove oil and boil a quart of water in less than 2.9 minutes. Think of it as the "Humvee of alpine camping stoves" (without the poor gas milage). Heat shield/wind screen included. New flexible fuel tube and beefier pan supports will give you major confidence while cooking a big pot of pasta for the whole team.