Currently, it's my first Spyderco; a Dragonfly II Lightweight. Got it to replace a Kershaw Scallion that was too heavy for my preferences; also, I'd gotten the Kershaw in half-serrated and found out that was a mistake for my purposes.
It's taken a while for me to get used to opening the Spydie, but its handle ergonomics are wonderful, and it's a lot sharper than the Kershaw. BTW, the Kershaw now rides as emergency backup in the center console of my truck.
Honestly, I wouldn't carry a knife at all if I could find a small, sturdy pair of shears that I could carry easily in sweat-pants pocket or beltless lightweight shorts. Good shears are much easier and safer for opening that theft-resistant plastic packaging that everything seems to come in nowadays, and they cut box tape, as well. All I've used my pocket knife for is opening packages, for a long time now.