We have attempted to put together some resources and links for new hams (and old ones as well!). Let us know if you have anything you would like to see added!
http://www.ky4ky.com/vetesting_materials.htm Great website with testing information.
http://www.ac6v.com/ This site has information on almost any segment of ham radio you could ask for.
http://www.qrz.com/p/testing.pl Direct link to QRZ's online practice tests.