Windows XP Professional x64 Edition

“As with the release candidate versions, application compatibility is a mixed bag with the shipping version of XP x64 Edition. There are some improvements, however. Microsoft has done away with the Windows Media 9 Series-related errors that previously dogged some application installs–most notably that of Adobe PhotoShop Elements 3.0–and Microsoft Office 2003 SP1 now installs without any complaints, a welcome change.”

I am sure we can expect a lot of benchmarks under the OS over the week. Read the posting at PCWorld.