I was totally gone during that last reply and didn't realize this isn't the FW thread, so we are allowed to compare vapes here.
The Milaana is still my favorite over the FW4. The fw4 doesn't have the same power, despite using the same batteries.
The FW4 is "easier to use" in that it isn't manual and you can just mindleasly puff away, but operating it is more complex.
Hold button to turn on. Buzz. Press button 4 more times to select level 4. 4 more buzzes to confirm. Take a cold draw to turn the heater on. Now it starts heating and you can take a slow draw to get vapor. Sometimes you'll get buzzes mid draw to tell you to speed up or slow down with no indication as to which one. But once it's all going, you can puff, put it down, puff again, and have a nice session without ever pressing the button again.
Vs the Milaana, where you simply hold the button and start inhaling. Yeah, you have to learn how to control the heat manually, but it feels very natural to me and the actual operation is dead simple.
Capsule system is nicer for quick changing on the go, but it's harder to load and unload the capsules than Milaana stems.
Fit and finish of the Fw4 is miles ahead of the Milaana though. Sanded smoother, has a nice finish in it, and the little things like the battery door go a long way vs the Mi's thumb screw copper plate solution.
It's strange because while they're similar on the surface, being wooden convection vapes for similar prices, in operation they are completely different.