Building a new system after 2.5 years with a 2.4B. This is based on a 3.0 530J EO prescott. I have seen a lot of good OC's with the 865 chipset. There is little info on what the new 955 and 945 chipsets are doing. Ofcourse this would be with an ABIT or Asus board. I am leaning toward the ASUS P5WD2 so I can go dual core when the support matures, but not at the +$100 pricetag if it doesn't overclock as well as the older boards.