I haven't seen #11's or musket caps for sale in my neck of the woods in a long time. Back in the day, I noted that RWS #11's were a lot hotter than any other #11.
That being said, the musket caps I've used (Navy Arms, CCI, RWS) ALL put out more fire volume than any #11. it's just science, there's more burning material in the larger cap.
As far as I know, RWS musket caps are the only type that are still around anymore.
