There are a lot of different types of goop on a boat. This isn't something a normal boat owner who isn't restoring a 30 year old vessel would care about in the way I do, but since I've spent a good chunk of the winter of 2009 learning about goop, I thought I'd record some of my notes and choices here to provide a starting point for others. The number one thing I learned is that people's personal choices on goop are very personal. When someone picks a goop they stand by it and often can't believe someone would pick a different one. Of course, that goop is often what's keeping their boat afloat and thereby keeping their family alive. That's a good enough reason fto take it seriously!