If you're interested and haven't noticed, WUProp now reports the total hours you have accumulated in your account. It is the third item down in the "Computing and Credit" box, just above where your badge is displayed.
It also has a link to a new hours graph. Kinda cool. Here's mine.
Here's Mumps and his ridiculous graph.
Here's zombie "I run so many projects that my graph looks pastel" 67's graph.