The stackability of the MSR 'system' is nice. I was hoping to include this in an emergency kit - that would involve use over a fire. Is it usable over a fire? Short answer - no, it probably shouldn't be.
Apparently aluminum and titanium are not so great for fires - but I've used both over fires many times without issue.
The problem with this particular pot is that the nifty folding handle gizmo
This review was written in the old system and had content requirements that are different than reviews written today.