http://www.allstar health.com/f/dymatize-elite_whey_protein_instantized.htm

(remove the spaces)

$8.29/lb for pure whey isolate.

When I was in Afghanistan, the Syntha 6 I got out of the Px was pretty expensive.

the least expensive complete protein I can figure is whole eggs. They are slow burning and several dozen at Costco are only a few bucks.