My wife got a Dell laptop some months ago with Vista and we were both ready to heave the thing through a window (and my wife, who has no sense of humor usually, said "This is why they call it Windows, right? 'Cause you want to find one...").
In fact, it was the Dell, with the very poorly performing Vista that drove me to my first Mac (iMac's are fantastic).
But I'm afraid I may have been unnecessarily maligning Vista. There is a Dell supplied app called pcmservice.exe that was chewing up 80% of cpu and 100% of RAM resources...renamed the sucker to pcmservice.~xe and the laptop flies. I've got no real problem with Vista now, except for it's inability to deal with my Canon printer properly...
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