Nice Internet Speed Tests
New One May 2009: http://testmy.net
SpeakEasy is here ! also another is HERE and Motorcycle Michael suggested these too:
http://www.bandwidthspeedtest.com
http://reviews.cnet.com/7004-7254_7-0.html
http://www.wugnet.com/myspeed/speedtest.asp
http://www.bandwidth.com/content/tools

 

I liek this one http://www.speedtest.net