For some odd reason there's a lot of chatter about dual core processors right now, so this roundup is dedicated to just that.
HEXUS.review - AMD's Dual-Core x75 Opterons
The road to dual core, Intel hits the gas @ Hardware Analysis
AMD Moves Opteron to Dual Core @ eWeek
AMD Tips "X2" Desktop Dual-Core Details @ Extreme Tech
The Duel for Dual Core @ PC Mag
AMD's dual core Opteron & Athlon 64 X2 - Server/Desktop Performance Preview @ Anandtech
Pentium Extreme Edition 840 Processor @ PC Stats