The debate still is on, but in the end, there are pros and cons for each method of deck board installation. However, avoiding a deck made up of cupped deck boards that look like ridges for traction when wet is pretty important to me.
Here are some links to other resources on this topic:
Univ of Mass. Wood Myths: Facts and Fictions About Wood
Forest Products Lab Article: Conventional Lumber Decking
The Bark-Side/Pith-Side Debate
