There is some useful stuff on Element 14 on using the Raspberry Pi for some great appliacations.
However for an absolute newcomer, some of this is daunting as it assumes a certain amount of basic knowledge.
This can keep a lot of this information "out of reach" of a large chunk of potential users. In the interest of getting people started off on the Raspberry Pi, we have put together a couple of presentations.
These are on Slideshare.