4 Core Xeon made official on November 12th

Intel should make official the existence of their 4 core Xeon on next November 12th.
According to their latest information, there should be at least 4 sorts.
- Xeon E5310 1.6 GHz, FSB1066 and 8 Mo L2 cache for $455
- Xeon E5320 1.86 GHz, FSB1066 and 8 Mo L2 cache for $690
- Xeon E5345 2.33 GHz, FSB1333 and 8 Mo L2 cache for $851
- Xeon X5355 2.66 GHz, FSB1333 and 8 Mo L2 cache for $1,172
You'll notice there's no 3 GHz model. Yet given this tariff chart, Apple could propose those CPUs as an option, an for instance an Octo Xeon 2.66 GHz would be barely more expensive than the current 3 GHz model. This machine would be interesting for those using applications that are well optimized for this type of architecture.
Beware though, according to Intel a CPU with 4 Xeon 2.66 GHz dissipates 120W, which is (logically enough) twice as much as a 2.66 GHz dual core Xeon, and still quite more than a 3 GHz model, that dissipates 80W.