I am waiting to get a new laptop until they come with the 2nd generation intel processor chips known as Sandy Bridge. I saw that the quad cores are being released this month and the dual cores are being released next month. For a laptop, I don't understand what quad core means compared to dual core. I love my Sony Vaio and want another one with the 2nd gen processor. I don't know when they'll be out, but when they are, which should I get so the computer will last me 3 years? I want the computer to have a big brain to multitask well. Which one should I get? Thanks!

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