Last trip(s) I used MSR DragonFly. Now, I am reevaluating my cooking kit (all of it - pot, mug, stove, etc) and my next trip will be with an Ecco stove (alcohol stove sold in Ebay, ask for Simmer Ring and Closing Cap - they are worth extra).
So far, I am carefully optimistic about the switch.
I used canister stoves before... They are comfortable to use, but I just don't like non-refuelable canisters, hate to throw leftovers out, hate inability to judge how much is left, etc.
I could use one on a dayhike though (I still have some leftover canisters from the times I played with it, so need to use them somewhere).