Technical overview explaining basic PC system architecture, an explanation of how PCI and PCI-X work, and an outline of the benefits of PCIe, and PCIe to PCI bridging.
Network is main motive; based on interview with Thom Sawicki, technology strategist, Intel Communications Technology Lab, on the Terascale computing research initiative. Ars Technica.
Cell's greatest strength and weakness: there's a lot of hardware on the chip, making programming hard, delaying PS3. New compiler intended to ease programming. [Ars Technica]