Just Got my i7 920 running, here are the results
GA-x58 ud5
920 C0 rev, F4i bios
hyperthreading off
Patriot 999 DDR3, 3x2GB
Tuniq tower 120

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I sort of cheated in that I benched with HT off, but that is no good for normal everyday use. Reason is Vista sleep mode doesn't work if HT is disabled. Struggling with this reminded me of the bad old days of XP with it's 90 second boot times. With vista, 10 sec is the norm, so HT on is a must.