I don't really understand the question but I've used a Trangia Mini 28 set for more than 20 years with great satisfaction. The pot is 0.8 liters.

Trangia makes other, heavier set-ups with more effective wind screen & larger cookware. Can't speak to economics.

My impression is that alcohol stoves in general, all offer very similar performance characteristics, but I have zero experience with other models and perhaps I am incorrect.