As far as practice tests, you can find those online at many sites, including
the following:

http://www.myairplane.com/faa_test/
http://www.aa9pw.com/faa/
http://www.mywrittenexam.com/mwe/
http://www.faatest.com/
http://aeromedia.com/quiz/index.html
http://www.ilsapproach.com/practicetests.shtml
http://www.sportys.com/faatest/
http://www.studentpilot.com/training_aids/pilotpal/
http://www.webexams.com/