Steve - you are correct on anchor chain. This is the excerpt from the clarification under class rules para 6.5

The anchor shall be stored in the anchor well. A minimum of six feet of chain shall be attached to the anchor or the anchor line.

Here's the measurement checklist link from the 2008 NAs. I sent Larry Christy a proposed update for 2009, but I don't know the status between him and the 2009 NA organizers on the list they will use. The only rule changes for 2009 that may change it is associated with required and optional safety gear. The race organizers have more leeway in 2009 on what can be considered optional.