Also, the Evo 9 is still a fairly competitive can for its size. That is, you cant compare a 1.25 inch can to a 1.375 inch one.
The 1.25 size is vastly superior, whether you like tall sights or not. The sight picture is much better. I think of the Evo as a slim can that does as good a job as it possibly could for its size. To my knowledge (and I could very well be wrong here), there arent any 1.25 inch cans on the market right now that really blow it out of the water. A decibel or two, sure. Nothing major though. Maybe the Surefire can will change that, but I doubt it. I think the Gemtech G core can might be 1.25, but its not quieter than the Tirant, IMHO.
Therefore, in my opinion, the Evo isnt totally obsolete yet. I believe every can collector should have a 1.25 inch 9mm can, so the Evo is as good as any of them, I guess.
1.375 inch stuff is definitely the quietest option, but the skinny cans still have their place.