According to AppleInsider, Apple is going to launch the new MacBook Pro around the 5th of September. The new MacBook Pro will come with the Core 2 Duo (Merom) Processor.
..preparing for massive air-freight shipments from the Far East that are due to drop in the United States around the 5th of September.
Although sources were not specific as to what product(s) Apple is planning to move, the timeframe of the shipments coincides nicely with dates in which the Mac maker is believed to be ready to roll with its first Core 2 Duo-based MacBook Pro notebook systems.