Here are a few more.
http://chi.speakeasy.net/
Gives you a little graph and the following information.
2004-11-09 14:13:59 EST: 2605 / 691
Your download speed : 2668277 bps, or 2605 kbps.
A 325.7 KB/sec transfer rate.
Your upload speed : 708466 bps, or 691 kbps.
http://www.info-techs.com/speedtest50.html
Shows a picture of a thermometer and the following.
Your line speed:
343.7 Kbps
42.1 K bytes/sec
http://www.testmy.net/d_load.php
http://www.testmy.net/cgi-bin/u_load.cgi
If you go to the right hand side of the box. There are different file sizes that you can download/upload and gives a comparison of how long it should be taking you.
Not sure how accurate all these are but just as an FYI. Here ya go.