That's a good day on the range. My Genesis loves Expanders as well. My first Genesis I shot just about every powder out of it and while it shot the Expanders well, my Laminate/Thumbhole I've only shot BH out of it and it shot the Expanders better than my first one. Just goes to show how two guns of the same make don't always shoot the same.

I hope you get a chance to test those Scorpion bullets. I've heard great things about them.