All good help! Thanks!!
If new cases are not as crucial as all that at my velocities then, good. However as close to new cases as can be is reasonable: and with this logic I....
....have just given myself an excuse to buy 100 Magtech .44 Mags, and shoot them all, and doing so in the name of load development!!
Midway has Starline .44 mag cases listed as available.
Midway Germany does not and in an email they stated they had no solid date for re-stocking. I will keep an eye open for those now and then, but I can survive without for now.
When the right to effective self-defence is denied, that right to self-defence which remains is essentially symbolic.
Freedom: Please enjoy responsibly.
Karma. Another word for revolver: because what goes around, comes around!