Just posting so those interested in cobs know that I'm updated my MM Buyers Guide and greatly expanded and added to what has evolved into my Corncob & New Pipe Smoker Primer.
http://pipedia.org/index.php?title=Missouri_Meerschaum_Corncob_Buying_Guide
http://pipedia.org/index.php?title=The_Complete_Corncob_primer
http://pipedia.org/index.php?title=Missouri_Meerschaum_Corncob_Buying_Guide
http://pipedia.org/index.php?title=The_Complete_Corncob_primer