My comcast came back close to acurate except with uploads I guess they should be 768 like yours.
Download
Your connection is: 3653 Kbps (about 3.7 Mbps)
You downloaded at: 446 kB/s
Your TRuSPEED: ^info^ 3909 Kbps :: 477 kB/s (7% overhead factored)
Bottom Line: You are running: 65 times faster than 56K and can download 1 megabyte in 2.3 second(s)
Diagnosis: Looks Great : 1.5 % faster than the average for host (comcast.net)
Upload
our connection is: 373 Kbps (about 0.4 Mbps)
You uploaded at: 45 kB/s
Your TRuSPEED: ^info^ 399 Kbps :: 48 kB/s (7% overhead factored)
Bottom Line: You are running: 7 times faster than 56K and can upload 1 megabyte in 22.76 second(s)
Diagnosis: Looks Great : 8.12 % faster than the average for host (comcast.net)