just did the test you linked.
Wed, 28 Dec 2005 16:42:21 GMT
1st 512K took 844 ms = 606.6 KB/sec, approx 4998 Kbps, 4.88 Mbps
2nd 512K took 844 ms = 606.6 KB/sec, approx 4998 Kbps, 4.88 Mbps
3rd 512K took 843 ms = 607.4 KB/sec, approx 5005 Kbps, 4.89 Mbps
4th 512K took 828 ms = 618.4 KB/sec, approx 5096 Kbps, 4.98 Mbps
Overall Average Speed = approx 5024 Kbps, 4.91 Mbps
so even worse