I bought one for ~$70 at a Portland, OR BiMart when they came out after deliberating and comparing to the 525 and other similarly sized pocket knives. The 585 just seemed to fit my hand well. I prefer the thicker handle (due to the wide steel liners) and it is well contoured. The pocket clip is well sized/placed to fit with your fingers; the clip is a bit too tight, reducing ease of RE-pocketing (esp. with the arrow-head), but it slides out of pocket fine. This isn't a good knife for tight-pockets with other items, given its width. It is fully ambidextrous, ease to open/close one-handed, although as another mentioned it will not flip closed like other axis-lock knives due to the a/o mechanism... (If anyone has experience with a 585 missing the a/o spring, I'd love to know how it handles (might take mine out to try it that way)
... The A/O is impressive! Powerful, instantaneous openning - push the stud, or pull back the bar and flick it open, it SNAPS into place, ready for use. Eyes go wide in envy when I deploy this before colleagues and family - two of my brothers are looking to get them for themselves.
The axis-bar can blocked with a safety-switch, preventing the knife from being opened and also preventing the bar from sliding back when open - locks both open and closed.
I personally prefer blades with a belly this wide. I'd compare the 585 to an Izula and use it for most of the same tasks, indoor and outdoor. The knife was razor-sharp when I purchased it, and has only required light sharpening to keep it that way. I've used it for general cutting (paper, plastic, string, cardboard, meat, fruit, vegetables), carving (wood, meat, fruit, plastic), light prying, etc. The geometry of the tip makes it pretty durable, and the 154cm has held up well. Action is smoother than any knife I've owned (this was my first BM). While I keep an SAK about me nearly always, this is my go-to EDC knife, and it gets used every day. Also, the spine is squared and works well as a firesteel striker, esp. with the blade closed for safety :thumbup:
Downsides/things I'd change:
1) there is no jimping on the knife - I'd prefer some on the spine of the blade somewhere for ease of use.
2) I wish the liners were nested or had radius'd edges around the blade-slot - I use the knife hard enough that that gap gives my hand hot-spots due to the sharp metal.
3) the lanyard-hole is fairly narrow for the 2cm passage.