During the middle of the night last night (Tuesday night), my internet 
service was switched to Comcast.  I didn't know that was supposed to 
happen.  My download speed might have increased a bit.  Now I get these 
results...

Download Speed: 6222 kbps (777.8 KB/sec transfer rate)
Upload Speed: 353 kbps (44.1 KB/sec transfer rate)

...from Speakeasy:

http://www.speakeasy.net/speedtest/

I chose Chicago as the server.

Mike