> To be fair I think his solution thus far for objective measurement is pretty > creative...
Nvidia released and open-sourced a measurement tool for it: there's a Fraps mod that timestamps each frame by adding a small flat-color rectangle (and changing the color each frame), and then you use a high-speed framegrabber to capture and check if the flat color changes with the correct timing. (Unsurprisingly their own cards don't have the problem, including in SLI).
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