Become a better presenter
If you do the occasional presentation you will probably find some useful links in PowerPoint and Presentation Tips at Particletree. In the post, Chris Campbell has created a list of resources on creating better presentations and becoming a better presenter.
Great stuff. Creating and delivering presentations is something I need to get better at. I don't mind doing presentations as long as I know what I'm going to talk about, but having seen some really great presenters I feel I have a bit of catching up to do.