Just got this stove for 40$ at my local retailer, and i love it. I boiled 2 cups of water in 2 minutes 41 seconds, and I only used 6 grams of MSR IsoPro fuel! That means I can boil that much about 38 times before I need to buy another fuel canister! I then tried it again, and I boiled 2 cups of water in 1 minute 33 seconds, using 8g of fuel. I also boiled 1 Liter of water in 2 minutes 45 seconds, using 15 grams of fuel. I found the most efficient burn time for boiling 2 cups of water is 3 minutes 25 seconds. It has a wide burner head, and this thing burns a lot. Great stove, only downside is that the flame does burn out if it is breezy and you have it turned down, and that you do have to adjust the flame level if you are simmering. Definitely buy.