YouTube: A ton of videos on drawing and painting techniques. Many are good many are pretty bad.
Google Book Project: See a good size preview of that book you are thinking of buying or maybe see it in its entirety if it is out of copyright.
Google Art Project: This is a really cool site. Stroll the halls of Museums from around the world and get close enough to the art to see the cracks in the paint.
Art History Timeline: An interesting way to learn art history. Part of the Metropolitan Museum's site this is very well done.
Art History Resources: An amazing collection of links maintained by Christopher Witcombe, a professor of art history. This site is extensive.
The Dali Museum: The premier collection of the works of Salvador Dali in the world. They got the good stuff and it is here in St. Pete.
The Raymond James Collection: A museum alternative. Book a free tour of some of the 1800 + pieces of art in the Raymond James collection at their corporate headquarters in St. Pete. Tours are available by appointment.
Digital Camera Review: This is one of the best sites I've found for camera reviews. The reviews are extensive and usually current.
Miro: Software for downloading, viewing, and organizing video podcasts. Podcasts are an easy way to visually learn stuff. With Miro you can create a video Library of podcasts gathered from around the web.