Yes I also bought 1 of these, but haven't really had a good go with it yet.
I also so noted the Noise Level, but I will be using some ear muffs.
The Vibration is a bit of a concern, but I have a pr. of Woolen Work Gloves just for that reason. They certainly stop most of the Vibration.
We used them on the old Blue Echo Chain Saws, all those years ago.
I have to change a few? most likely many boards on the house, South West side, due to maybe a bit of neglect or dry rot.
As far as The Blade coming loose, I intend to use a " T " Handled Allen Key. Might get a bit more tightness on it.
Yes, the Case with the Steel Latches was a good move, I thought.
Have Lathe, Wood Travel.