Depends on the use context!
For general EDC, I've been carrying Cruwear. I work in property management so having a tough folder is important. There's nothing better to test for rotten wood than as stabbing it with a knife and I don't want to lose a tip. Cutting caulk lines, prying electrical outlet covers off the wall that are stuck to the paint, etc.
If I'm going to be on or around the water, it's MagnaCut. I live in the PNW so there are plenty of opportunities for this.
If I'm going hiking or backpacking, my fixed blade will be 3V (probably my Cold Steel SRK) for chopping & bushcraft tasks and my folder will be a slicey blade in K390 (Stretch 2 XL) for food prep and whittling around the campfire. I'm not afraid of a well-earned patina from time in the woods so these work great for me.
When it's time to shave or trim up my beard's neckline, I haven't found a steel that will take a more wicked edge than 14C28N. Easy to strop back between shaves too!
Previously, S90V served as my favorite steel to murder cardboard with, however, BBB CPM 15V has taken over that role.
If I had to choose just one steel to do it all, it would be MagnaCut, being so well rounded. But I don't have to choose! For me, I enjoy collecting different steels more than the knives themselves
I haven't had a chance to try out SPY27 yet, and of course we have MagnaMax on the horizon so who knows how the list will get shaken up! Can't wait to get my hands on a couple of MagnaMax Mules

Manix 2 CruCarta // Stretch 2XL K390 // Smock CruWear Distributer Exclusive // Manix 2 BBB 15V