http://darcyripper.com/

https://www.httrack.com/

http://www.techsupportalert.com/best...ite-ripper.htm

Try those for starters. Messageboards are a bitch to rip, though, as it needs usernames and passwords, and there's a ton of pages.

If you really want to save or backup a board, backing up the database is the best way to do it.

Ice