OCZ Gold XTC 6GB (3 x 2GB) PC3-10666 DDR3 Triple Channel Memory Kit for $40.79 shipped after this $40 rebate. Here is a screenshot for your reference. Note that this is a DDR3 RAM, which typically commands a premium over DDR2 RAM and requires a PC that supports it. Most places sell it for over $85.
This deal has expired. Congratulations to those who were able to get in on it.