So, I haven't tried WhatPulse yet but it did inspire me to do something I've been meaning to do for a while which is download a little gizmo which sits in my system tray and tracks my WPM. I've often vaguely wondered about it so I thought it'd be fun. I'm currently averaging 62 - I'm sure I can do better than that! It's too tiny to have statistics or anything like that, but it is quite groovy.
Edit: Hah! Told you I could do better - I was up to 92 WPM while filing a bug report just now :)