Check out <a href="http://www.lynda.com">www.lynda.com</a>. They have training videos on both D6 and D7. Also <a href="http://www.lullabot.com">www.lullabot.com</a> has a lot of information on both.<br><br>Pro Drupal Development 2nd edition for D6 by John K. VanDyk, ISBN 978-1-4302-0989-8. Pro Drupal Development 3rd edition for D7 by John K. VanDyk &amp; Todd Tomlinson, ISBN 978-1-432-2838-7<br>
<br>Cory<br>