PCWorld takes a look at the newest OS on the block- Microsoft Windows XP Professional x64 Edition and finds that the OS is a good first step but there are still plenty of hurdles in the way. What’s the problem exactly? It boils down to two major things – compatibility with existing 32 bit applications and 64 bit driver support. Not surprising considering that this is a significant platform change. Their verdict?

We advise you to hold off on XP X64 but to consider 64-bit hardware–especially PCs that can address 8GB or more of RAM–when it comes time to buy your next system. That way, you can adopt XP X64–or more likely a 64-bit Longhorn OS–down the road.

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