I look at this differently, you can get loaded Lake City ammo for 300$ per thousand. Do the math, buy new and use that brass.
By the time you pay for shipping top brass it's 200$ for 100$ more you get loaded ammo to start your own arsenal.
+1Try Rockey Brass.
Jeff Bartlett @ GIBRASS.COM: $75/1k. + $25/1k and he'll tumble and remove the crimp
http://gibrass.com/brass.html