Which U.S. Open victory was more impressive?

While I get a kick out of seeing all of the Tiger lovers get their panties tied in a knot at the suggestion that Rory could possibly have been as impressive as Tiger, I can't pile on just for fun. In terms of which would get a high grade, Tiger's win in 2000 was more impressive due to pretty much every metric you can come up with other than score relative to par, and par is really an irrelevant measure when comparing different courses in different conditions. The fact that Tiger went -12 in a field that had no one else in red numbers is just too good to ignore, no matter how much of a d1ckhead Tiger is.