Been carrying my Orso for a little over a week now and I am loving it. Solid build on my example. No blade play or lock rock. Locks early and tight. Flips very well even with the small flipper tab, which I love. Is very smooth and will close shut with some wrist action.
Blade centered, evenly ground, came with a very sharp edge and very close to perfect edge grind. Cuts amazingly. Pierces nicely too. I was pessimistic about the blade thickness not making it a great cutter but I am in love with how it cuts. No chips yet on edge even after some fairly hard use and still much better than just working sharp. I read M390 is not known for it's toughness but this knife and my M390 Knockout have not had any issues with edge chipping or other edge deformations (s30v, 20cv has); could just be good luck since it's a very small sample size, I know.
I got the Ti handle version considering this was gonna be my work knife. Obviously the extra 1.5oz don't bother me for work but at 4.4oz I would still consider it a weekend shorts knife. However, I'm liking this thing so much I think I'm gonna have to get the CF version for that but since you don't get steel liners it likely won't ever come to work with me. The knife is fairly thin but fairly long considering the blade size. That just means it fits my medium to large hands very well and feels pleasing in hand. The plain finish handle is the grippiest of my Ti handle knifes, if that makes any sense, and I feel secure attacking all sorts of stuff with it. Also is easy to open/close with work gloves.
Then the looks. I've read a few comments about how plain this knife looks but I absolutely love it. The blue accents go so well with this thing that they seem subtle yet outstanding at the same time. The pocket clip is awesome. Looks great and works better. Luckily I'm not a fan of deep clips. Also, I love liner locks and was thrilled to see this knife with one. The blade shape and grind is something that really caught my eye from the first moment I saw it. The straight spine and the way the ricasso is angled the same as the handle to a near full flat grind. Very pleasing to my eyes. Obviously looks are subjective but this knife is a home run for me.
The only negative would be the branding on the blade but even that isn't bothering me anymore. I'm not gonna say I like it but I can't say I care it's there. So IMO, if you're on the fence, JUMP!