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From Infoworld's predictions for 2007, Tom Yager writes...

By mid-2007, 64-bit quad-core CPUs will be the de facto standard for x86 desktop and server computers. A sub-$5,000 two-socket workstation or server will sport a mind-boggling eight processor cores. Intel engineered its dual core per socket Woodcrest server/workstation CPU to allow a four core per socket upgrade with nothing but a chip swap. AMD has done the same with Opteron and Athlon 64 FX systems built after Revision F. AMD’s capacity to expand Opteron systems to eight sockets means that in 2007, IT can buy 32-way servers for the price it once paid for four-way servers. Talk about consolidation!