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The "Microsoft Signature" PCs that are being sold at Microsoft's retail and online stores contain a bunch of extra Windows Live software, but also feature something rarely found on a PC--a clean desktop.
(Credit: Microsoft)
Although Microsoft isn't making its own PCs, the software maker is taking an active role in customizing just what goes on the computers it sells through its online and retail stores.
In its new role as PC retailer, Microsoft is loading computers with

