I think we had a thread like this a little while ago. Here is the link:
http://www.dslreports.com/stest?loc=2
Here are my results:
Your download speed : 2176409 bps, or 2176 kbps.
A 265.6 KB/sec transfer rate.
Your upload speed : 348280 bps, or 348 kbps.
Seems like broadband .. above the 1mbit barrier!
Post yours and we'll see who has the fastest connection.