Well, I'm going to talk about a piece unmentioned so far.
First, I would only discuss folders I own. Today I got a Sifu, which became my third folder.
Of the two others, the Vaquero Grande was undoubtedly the better piece when open. It's an excellent fighter...lots of belly, strong lock, good ergos. Blade steel is mediocre, smoothness only modest even with mods to the lock.
But what I carried daily on WORK days (others it's fixed Outsider) was the AlMar Quicksilver V. AlMar calls it a 5.5 but it's really closer to 6", it's almost half an inch longer than the Sifu. It's a long skinny single-edge blade with 50/50 serrations in the usual pattern (plain near tip).
It's weakness is lock strength. Stabs should be soft-target only, it's mainly a slasher.
So why pack it?
'Cuz it's FAST. It's naturally fast opening being the largest production linerlock made, but more importantly the long straight thin profile closed means it can be drawn quickly from the right sheath. I build my own in leather using a single loop of Bungee at the mouth. The upshot is, I can draw and snap it open faster than most people can get a fixed-blade out.
In an "ambush" situation the extra speed is crucial. If you're in a mess where you're unsure about whether or not to draw, if you can draw fast you can hold off drawing until the legals/morals become more clear. That's what happened with that wacked "hammers and transvestites" mess I won't rehash here.
The VG is too "fat" for any type of horizontal belt rig like I prefer.
But now, it'll be the Sifu. Right now I'm doing pocket carry only because I work real close to home, but I've got a design in mind for a horizonal Sifu holder that'll be 90% as fast as the AlMar setup and will also be cross-compatible with a Mini Maglight, eliminating the need to slip the sheath off the belt at work.
In all cases, the intimidation value of a big blade cannot be understated.
As to "rip and run" gameplans: that's fine if you can physically run. I can't, medically. Not for long. So I'll always favor a "stand and fight" blade; that shouldn't be seen as criticism of the Civilian/hawkbill gameplan.
Jim