Preferred Architecture for Centrino Core Duo

[Jeremy Nix <Jeremy.Nix@xxxxxxxxxx>]

I was reading the Fedora 8 documentation and came across section 3.2 
that recommends that the x86_64 architecture to be used for the Centrino 
Core Duo processors.  In prior versions, I have been running the i686 
architecture, so I am curious as to what the benefits would be in 
switching to a 64 bit architecture when my processor is a 32bit 
dual-core.  Can somebody explain this to me, as the documentation does 
not really outline the benefits or reasons to switch to the 64 bit 
architecture.

Thanks in advance.

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Jeremy Nix
Senior Application Developer
Southwest Financial Services, Ltd.
(513) 621-6699