AMD San Diego 4000+ is overclocking champ
Belgium website Bel Hardware (French Translation) tests the San Diego Core from AMD. This A64 4000+. Apart from SSE3 and 90nm process manufacture, SOI process and memory controller has been improved. Quite a few interesting information there including the fact that the new memory controller is loses 300MB/s somehow.
Bel-Hardware admin is selling some of his Samsung TCCD memory here: