Unmoderated forum on marine electrical and electronic equipment. Good advice and resources here, but you have to dig and you have to be selective.
A discussion board and photo gallery for cruising sailors and wannabes focused on sailing instruments and communications equipment. Autopilot, radar, sonar, chart plotters, satellite telephones, mobile telephones, internet, marine e-mail, VHF, HF, SSB, etc.
An e-mail discussion list about electronic aids. Over 150 subscribers.
Each year the Atlantic Rally for Cruisers asks its participants to evaluate (Reliability, User Friendliness, Value) various pieces of equipment. 7 boats evaluated one model of Inmarsat equipment. 105 evaluated six systems from B&G and Raymarine.
Very sophisticated wind and speed instruments with software for PC or handheld-based speed analysis. Used on America's Cup and other top-line racers. Using short-term wind-shift techniques can be useful for racer-cruisers and others who want maximum speed to a destination. Basic Ockam instruments suitable for normal cruising uses.