G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory… for $24.99 + free shipping
No promo codes, just click the link and buy it.
The best deal on DDR3 I have seen in a while. I have been using this ram for dozens of builds, and have never ran into an issue with any of them. Great ram.