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What makes you so sure? At least provide some sort of explanation.

Nehalem's Gainestown comes out in November, just like Penryn did. Apple will not update to these and then update four months later. These aren't laptops. People with professional workstations don't appreciate being outdated immediately.

Besides, they're blasphemously expensive.

Don't you just love stating conjecture as fact?

Only when I'm right. Otherwise it'd be just like these people saying, "Oh, some unspecified source says that the new MacBooks are shipping, so they're confirmed!"
 
They aren't even compatible with the current socket. Not to mention they're not for dual socket Intel systems.

Hence the price. This was explained in the last thread on these new 6-core Xeons.
 
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