Fans of creative nickel-and-dime schemes will love this: Buy an Intel i3-2312M, i3-2102 or Pentium G622 and it just isn't powerful enough, you can grab a $50 upgrade card. Enter the card's code online and hidden capacity in your chip will suddenly become available for use. Those with longer memories will find this offer familiar, because Intel did the same thing last year with the Pentium G6951. You may be peeved at the idea of buying the same thing twice, but remember that the company is only targeting the limited service at low-end co