I know this thread got old but I wanted throw in some information considering I work at Intel...
For laptops, there is no substitute for Intel's centrino-line processors. They are very low-power and the performance is top-notch. Intel has a very strong laptop processor road-map. AMD can simply not compete with Intel's centrino line as far as performance and power/heat are concerned. I don't know how they are labeled in the market (I work in design).
They are NOT 64bit, however. A 64bit centrino line will be available probably in latter half of 2006 which will be incredibly powerful yet with low-power consumption and, in fact, a real dual-core design.
I won't spill the info on everything since it's already readily available here:
www.theinquirer.net
In fact, many of us at Intel visit this site to get the low-down on what the heck we're even doing.
BTW: I just bought my wife a 2002 BMW X5, Green-Gray, Premium pkg. Picked it up just last week w/ only 35k miles for $26k. Beautiful car. Now if I only had a bluetooth cell phone!
--Phot0n