So this guy is writing a book about Windows 7 and in his blog at least makes no mention of the Windows 7 Upgrade Advisor?
http://www.microsoft.com/downloads/details.aspx?FamilyID=1b544e90-7659-4bd9-9e51-2497c146af15&displaylang=en
Granted he is installing a different version (x86 vs. x64) and edition (ultimate vs. pro) of the same OS, it is definitely not a given that driver support is the same with different versions of Windows.
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So this guy is writing a book about Windows 7 and in his blog at least makes no mention of the Windows 7 Upgrade Advisor? http://www.microsoft.com/downloads/details.aspx?FamilyID=1b544e90-7659-4bd9-9e51-2497c146af15&displaylang=en Granted he is installing a different version (x86 vs. x64) and edition (ultimate vs. pro) of the same OS, it is definitely not a given that driver support is the same with different versions of Windows.