I won't be able to get any more data for a few days because it's supposed to be raining, but here's the data from the 3 strings I shot yesterday.
Win brass:
12 shot string, Av-874fps(128.5pf), ES- 20, SD-6
Win brass:
8 shot string, Av-875fps(128.6pf), ES-19, SD-6
Mixed brass:
10 shot string, Av-875, ES-35, SD-8