I just tried your speed tester again Paul and got about 3 megs down (I had to pick OTHER as I didnt see my ISP listed (Its mostly UK companies as you know))
I also tried it from:
http://www.ispgeeks.com/wild/modules...itialmeter.php
And got 3996.10 so about the same right? (Looks like I got almost 4 on that one)