The Berkeley ICSI Netalyzr
Broadband Performance Testing - at home I'm getting 880Kbps on my 1.5Mbps DSL from VISI.com
Oh, and if you're in the market for a hosting provider, RealMetrics provides some very useful statistics to help you sort the providers out. A friend of mine highly recommends 1&1 Internet which he uses to host a lot of his clients.
My contact information, brief autobiography (such as it is), and family tree. back to Nordist.net