the last year and a half, I have switched exclusively to Win primers, I really like them. I chose to stick with them because they seem soft and form fitting to any pocket, rarely have to use excessive pressure to seat like when using CCI or Tula's. I am about 7 thousand into my Win primers, not a single one failed to boom with any action I own, which I think is pretty much all the actions. neat about a middle road primer tht can do both, I like that concept, anything that can streamline my products is awesome, willing it works well. ATM I have found WIN small magnum pistol to fill the role for all my 9mm's, 38's, 357's and 300BLK loads, very happy with the performance and the generally low cost. they always seem to run 20% less than CCI around here and even moreso compared to Remington(which is the only brand I ever had misfires from, but I was new to reloading and it was likely user error, but still haven't gone back).
I would be all for a small primer that would fill the role from rifle all the way down to SP and not have to shop around for primer types, maybe the future will bring us this? unfortunately that would require all of our data be chucked.
but nothing different. Never loaded any 'large magnum' rounds with them which is likely where you would notice any difference if at all.