I'd tell you all about your cutting boards
if I couldn't just point you in the direction of this article in Real Simple
(Cutting Board Know-How
, July 2006), which covers most of the bases.
The one thing those really simple folks leave out, is the fact that if you wash a wooden board and leave it out to dry, it will eventually warp, especially if you're only getting one side wet. So wash both sides then towel-dry the board.
(photo: Philippa Brathwaite)