If you're looking to get a Canterwood, this would definately be of interest to you here.

"There has been some confusion on which memory is best for new motherboards based on the Intel Canterwood (875P) chip set. At this point, Corsair is recommending that people use pairs of either XMS3200C2 or XMS3500C2 modules. They do, however, not recommend the use of XMS3200LL modules, including TwinX 'LL'. This recommendation is based on results they have received in their motherboard lab."

Check out the full article here.