The Telegraph is reporting on efforts by PC manufacturers to give customers buying systems pre-installed with Windows Vista a much-sought way to downgrade to Windows XP. ( A few months back we discussed Microsoft's similar concession for corporate customers.) "It took took five years and $6 billion to develop, but Microsoft's Vista operating system, which was launched early this year, has been shunned by consumers — with computer manufacturers taking the bizarre step of offering downgrades to the old XP version of Windows."

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