I've had one knife off center. I used it to pry off some trim on a cabinet. Hasn't been off center since.
As far as the clip position, that's your call.
I prefer tip up.
I haven't had a issue getting stabbed.
Some people worry about those things, I'm not one of them.
I own the k390 endela, a really well done knife.
I really like the red black zone, I think it's a attractive combination.
However I am not a fan of 20cv or m390.
I found its to chippy for my liking.
But maybe it will perform well for you.
It does take a nice edge.
I've watched these guys before... I kinda like Shabazz.
But.. it's because I was wanting to buy a knife. They really did nothing to help me make a good decision.
I can't really tell how the knife size and ergos are by Someone else's hand.
All the more power to them for making a successful...