In the OP, barrel blank manufacturers are mixed in with companies who finish them. It's kinda a confusing situation since a company like White Oak Armament/Precision will sell both Kriegers and Wilson blanks that they finished. OP, which brands you get recommended will pretty much be determined by the background of the person offering the recommendation. A tactical precision shooter might recommend a Hawk Hill, Bartlein, or Krieger (finished by a top notch gunsmith). A High Power shooter might recommend a Wilson, Krieger, or Douglas blank finished by Compass Lake Engineering or White Oak. A tactical shooter might recommend a BCM, Noveske, or Larue. A 3gunner might recommend a Wilson blank finished by JP or Nordic Components. There's a ton of choices and realistically, unless you're working really hard to tune a load and working on your reloading process, and especially if you're just shooting factory match ammo, mostly all of them will do fine in the SPR/DMR role. It's up to the OP to determine if where the recommendations are coming matter.

As far as personal experience, I've had a WOA SPR and Noveske SPR barrel and they shot about the same with similar velocities. Both were somewhat picky about the loads they shot well.

One consideration is that although the sticker price on the Krieger might be higher is that cut-rifled barrels generally have a longer barrel life than a button-rifled barrel so the cost per shot, in terms of barrel life, might be similar.