I'd stick with the tighter timings. They'll be faster for what you're doing. It's better to lower the speed than it is to increase the timings. These Patriot Viper 3x2 GB 1333 mhz CL 7
sticks would also be great and save a total of $45 after rebate (assuming two kits). In fact, if you're not going to overclock, I would recommend getting these instead.