Bill Ruys wrote:

snip

(2) AMD64 Winchester and Venice cores run cool (less than 25 degrees Celcius
on a 3200+)

Which must mean they've reduced power consumption to something sensible.

Any idea how many watts they consume ?

Surely you don't *actually* mean 25C though. Ambient temp itself can easily be
more than that !

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(5) There are quantifiable benefits in running a 64-bit DAW on a 64-bit OS
with 64-bit plug-ins

Which means that until such a date that happens there's no clear benefit worth
having of any note. Possibly other than the new CPUs having a 'cleaner' internal
design that may give them a little extra efficiency processing some ( 32 bit )
instructions.

Graham