I promised in a few threads that I would post my ammo testing results. They are here in this table. I won't go into all the details. If you are curious, then there is more detail in the link posted below it. Dynapoints seem to be as close as there is to a "free lunch"!.
Ammo Weight Deviation, and Cost Indicates Accuracy? - RimfireCentral.com Forums
Ron
I revised the original chart to fix some errors and to address some feedback. It changes the order some.