Tim Weber, BBC Business editor, described his Vista upgrade ordeal and warns users not to do it. The Vista Upgrade Advisor underestimated what he needed, it took him more than three hours, cost more than $200 in new parts, broke his web cam and pocket PC and left him with an unstable system. The vendors tell him there will be no drivers and that he should have bought new devices long ago. He summarizes the end result:
Every nonzero finite dimensional inner product space has an orthonormal basis. It makes sense, when you don't think about it.