The likely successor to the Intel Core 2 Duo in MacBook Pros is the Core i5 processor which Intel introduced this week at CES.  Engadget caught a video of Intel comparing their old tech to new tech.  The first test was a iTunes rip which was about twice as quick.  The second encode shows the advantage of virtual cores that the i5 have. 

http://www.viddler.com/simple_on_site/b6846c36

As Macrumors reports, Intel Exec Sean Maloney was asked to confirm whether or not i5s will be heading into MacBooks.  His response?

 “I do not pre-announce our partners’ products and I certainly don’t pre-announce Apple’s products.”

Apple is generally thought to be readying these chips for MacBook Pros, though it isn’t certain whether they will jump on the first version or wait for a more efficient i5s expected mid year.  Intel’s product matrix is below:

 

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