Originally Posted by GuitarWizard
I use nothing but my MSR XGK-II stove....can boil water in no time flat even in sub-freezing temps

.
+1 MSR

I have a simmerlite. A little too close to the whisperlite in terms of performance to justify the additional expense, but I keep trying...
I took mine for a week trip to the boundary waters this past august and we took about a liter of gas per person (as recommended) for the week and ended up burning less than half.