I know it may be mostly in my mind, but the Boost offered by my P3 seems to give me a better over-all vaping experience than my 2.5's. That and at a single glance I get alot of information off of the screen keeps me grabbing my P3 Stealth Ti over my old faithfuls all the time. Having said that, I still use my 2.5's every day as I have them loaded with other flavors when I want a bit of a change from my ADV.