KnittingFool - a resource for knitters, knitting symbols, abbreviations and patterns. For beginners to advanced knitters.
Knitty - the best knitting site on the web for the DIY generation. I love this web site. They have everything from patterns to easy tutorials. Definitely checck it out. Perfect for beginners but geared toward all knitters.
Wikipedia.org:Knitting - A comprehensive overview of knitting, stitches, terms and history.
Flickr.com - A social image uploading site. Search "knitting" and enjoy looking at pictures of knitting examples and interesting perspectives on knit items from the DIY culture.