For alpine and high altitude applications, you always hear about how great the MSR Reactor is at boiling water and melting snow. The Sol Ti Sumo is just as good, has the same capacity, and weighs much less. The jetboil system can also be hung or suspended from a tent or the wall. If that is important to you, this is something you cannot do with the reactor (without purchase of another kit).
This
This review was written in the old system and had content requirements that are different than reviews written today.