I'll have to throw my work one up on here, I have to test from a 10/100 switch, I don't think we have anything directly connected to our Gb switch, can probably do that test over summer when the students are gone, but still be limited by the copper I believe (no fiber card for any of our workstations) We usually get about 90+ Down and 75+ up on a normal workstation around campus
Here is home (at the beginning of the test it was at 121Mbps down):