Utility for checking Net connection speed?

Is there a utility or widget available for checking the upload and download speeds on a Internet connection through the Ethernet port? (I assume that there is nothing in OS-X itself--haven't gotten my Macbook, which is on order.)

This is probably the coolest one I've seen:
http://www.speedtest.net/

I just got clocked at 20393kb/s down and 4095kb/s up @53miles distance 53ms latency. I'm on business cable.

http://www.speedtest.net/ = www.speakeasy.net/speedtest
Just a different website, both from the same people.

Activity monitor app in your Utilities folder.
Built in
Best.

I use this link. Look under favorites.
http://pcpitstop.com/
I do the download test all the time successfully.
I have noticed that Upload Test is not always successful.
You can also ask your DSL or Wireless Service provider to give you their Internet link for you to do the test anytime.

Comcast TimeWarner.. clocked at 5742 kb/s down & 486 kb/s up @ <50miles distance 12ms latency

BTW cramer,
Your wire can hinder your speed! Don't go cheap. Get decent ethernet cabling.