An interesting article on InfoWorld.

Analysts believe that Microsoft may have multicore price edge as we continue to charge per processor for software, not per core.

"Microsoft Corp. could have an early advantage over competitors IBM Corp. and Oracle Corp. as some software companies begin shifting pricing to accommodate servers with multicore processors", analysts said.

"Moore's Law shouldn't mean more expensive software," said Andy Lees, corporate vice president of server and tools marketing at Microsoft, referring to the observation by Intel co-founder Gordon Moore that microprocessor power will double every 18 months without raising the cost of manufacturing. "Multicore is just a way of making processors more powerful. We embrace it because it's good for the customer."

Take a look at the full article