The Kershaw was a 10 dollar purchase on woot, and impressed me enough to buy 3 more, it's not the greatest steel, but it cuts reliably and the assist open works every time, it's solid enough to EDC and cheap enough to not freak out over if it gets lost.
The CRKT was also a woot purchase, but has pretty much been a disappointment. It's too small to open/use with one hand, and the dust it's collected on the shelf has made the assist function pretty much fail. (Opens halfway and needs another nudge.)
The cold steel was a gift. It's sharp, and the build quality feels pretty good. However, for my use and preference, it's too large to carry all the time and the blade shape is "more show, than go." This knife has been in a desk drawer for the 2 years I've owned it.
The Benchmades are my current EDC knives.
The Triage (bottom knife, bottom picture) is less than 4 months old, and is very impressive. Has held a decent edge, and is very versatile. The blunt tip was my main reason for buying, it has proved to be very convenient. I ended up buying one for close friend as a wedding present. It gets used every day. My biggest complaint is that one of the belt clip screws disappeared and I had to remove the clip for a few days to keep it from
Coming all the way off while I figured out the screw size/pitch, and then found an equivalent.
As someone who works obscure/long/abnormal hours... It was very annoying that Benchmade doesn't;
A) loc-tite their hardware
B) include spare hardware with their (extremely expensive) knives
C) list hardware sizes on their website
D) provide spare hardware to dealers
E) LOC-TITE THE HARDWARE
Benchmade clip hardware is 2-56 x 3/16" long, using a .050 Allen key, in case you were wondering.
The Bone Collector Axis... (Top knife, bottom picture) is downright amazing. It's MSRP is significantly lower than the Triage, and it has fewer "features," but the knife is awesome. It's solid, REALLY solid. The blade spine is 1/8th inch thick and the D2 steel edge can take a decent beating and stay sharp. The handle and liners have just the right amount of heft to be very comfortable and balanced. The handle is very comfortable and really pretty.
I also carry either a leatherman supertool 300 or OHT daily.