One other problem with Dual-Core. Some of my users have reported problems with Thunderbird and other applications that were traced back to dual-core issues. Forcing processor affinity on the executable resolved the problem.
I suspect that there are other DC-unfriendly applications out there that will cause some users problems as we've already seen this on X2.
The thing about AMD X2 users is that they are generally enthusiasts that have the ability to work through these problems. I'm not sure that the masses will be ready for dual-core and potential problems with it.
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