Corsair XMS2 Xtreme Performance 4GB (2 x 2GB) PC2-6400 RAM for $14.99 Shipped

Corsair XMS2 Xtreme Performance 4GB (2 x 2GB) PC2-6400 Memory Kit for $14.99 shipped after this $25 rebate.  For the technically inclined, this set of RAM has a voltage specification of 1.9v and operates at 800MHz with 5-5-5-18 timing.
It is out of stock now for shipping but still available for in-store pickup at most locations.