Apparently Intel's newest dual core 65nm P4s (Presler) are having stability issues, according to unnamed motherboard makers here: link
The good news:
The good news:
Samples of Intels next-generation Yonah processors, on the other hand, also built using the 65nm manufacturing process, have gone through tests smoothly, the makers indicated. Launch of dual-core Yonah-based products is expected to take place in January of next year as originally planned, the makers added.