This site never seems to suffer congestion:
http://www.speakeasy.net/speedtest/
I have Time/Warner with speed boost, and I'm getting:
Last Result:
Download Speed: 25778 kbps (3222.3 KB/sec transfer rate)
Upload Speed: 977 kbps (122.1 KB/sec transfer rate)
I frequently get over 31M download on this test. Upload speeds are choked back so the ISP doesn't have to deal with customers with a virus or bots blasting others with slower connections out of the water. You can always go business class and pay A LOT MORE if you want higher upload speeds.