I wouldn't worry about the supply of .30-06 though. Even if you don't reload, the CMP sells new manufacture Lake City, about $110 shipped for 200 rounds.
I believe you are referring to the surplus Greek HXP 30-06 M2 the CMP sells for about $110 shipped for 200 rounds.
Regardless, the HXP is great stuff. Just got another ammo box of it today from the CMP via Fed Ex.