It really is a good price, so I'm hoping it continues. Frankly I'm surprised the price has lasted so long. I like using reasonably good cuts for ground beef because my wife like burgers more than a steak. Her favorite is ground tri-tip followed closely by brisket, and then chuck. I never purchase any of these unless the price is less than $3/lb.
My freezers are now full, and I'm keeping my fingers crossed that these prices continue.