Everyone has their own method based on the type of ribs (St. Louis trimmed spares vs. Baby backs, mostly) and their cooker.
Here is a recent thread that has some good info...
http://www.bbq-brethren.com/forum/sh...d.php?t=163116
Also, there is a site-specific Google search near the bottom of every page. Search for ribs and you'll have a lot of good reading
