Passwords - Dictionaries - Rainbow Tables - Online
Default passwords can be obtained from the following websites:

http://www.phenoelit-us.org/dpl/dpl.html
http://cirt.net/passwords
http://www.defaultpassword.com
http://www.passwordsdatabase.com
http://www.isdpodcast.com/resources/62k-common-passwords/

http://www.insidepro.com/eng/download.shtml
http://www.insidepro.com/tables.php