The Tech Report posted a review on AMD's 'Shanghai' 45nm Opterons
A quote from the article:
>> AMD's 'Shanghai' 45nm Opterons review
With higher clock speeds, lower power consumption, more cache, and a multitude of tweaks, the "Shanghai" Opterons aim to restore AMD's competitiveness in the server and workstation worlds. But are they good enough to match Intel's 45nm Xeons?
>> AMD's 'Shanghai' 45nm Opterons review