I think most of us are assuming there'll be a new MacBook Pro at MWSF in January. That'd mesh roughly with Apple's 6 month product update cycle with the MBP and also coincide with Intel's release of their new Penryn chips.
What could Apple release in October? What technology will be available? Nothing that would justify a new MBP. While a speedbump can't definitively be ruled out, I don't expect one. Either buy today or wait for Penryn.
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