One of my favorite tips:
20. Remove ‘spam blocked’ counts. Do your readers really care how many spam comments Akismet or any other service has blocked? Akismet already comes with every copy of WordPress that is downloaded. It doesn’t really need more advertising.
Unclutterer may violate a few of her suggestions (*cough* #10 *cough*), but we agree with most of her recommendations. If you have a blog and are looking for ways to uncluttter it, Skellie’s tips are worth a look.