Which, to be fair, was a fairly high-end machine at the time. As I recall, the problem was not just Vista's juicy hardware requirements, but the fact it would

Which, to be fair, was a fairly high-end machine at the time. As I recall, the problem was not just Vista's juicy hardware requirements, but the fact it would initially behave quite unpredictably performance-wise. OTOH, Microsoft is said to have fixed most of the problems with SP1, and Windows 7 was, as far as Windows versions go, a very solid system.