Tell N.A.D.A. the boat model and year, and its equipment, and they will give you the average retail price of a boat in good condition and one with lots of wear and tear. Although geography is not taken into account, these prices are a useful guideline, and the equipment checklist for each boat is a good guide to what options and extras you might expect on that model. The price for each piece of equipment is itemized separately.
A forum for listing positions offered and positions wanted. The site keeps track of what listings you have seen, labeling the others "NEW."
Useful list of to-do's.
Storm-tracking information on the web, with an account of dodging a hurricane. 5 pages.
Comparison of bikes from multiple vendors.