[quote=MN3]what is your price range? if its a lot, the tacktick is the way to go, but pricey (450-750) but has great features (vmg calculator)
if your range is more moderate, the SpeedPuck is great. it has a huge display and simple to use ($340). the biggest problem is that it's hard to find a good place to put it where it can be read on both tacks.
if you are in the lower range most of the Garmin 72 - 76 series are affordable (150-250) and is a good unit but almost impossible to use on the fly. it has a smaller screen, hard to see/use while sailing, impossible to read (or hard) with polorized sunglasses on, and unless your crew is reading and screaming out the numbrers, it's pretty darn hard to pull it out of your pocket, and hold in your hand to read while you have sheets and tillers in your hand. It has mapping and memory so you can review your course and speeds (and max speeds) after you sail.. but again not very user friendly on the fly.
another option is the Gamin 201 and 301 wrist mounted (like a watch). but they are well known to break off and drop in the drink when you put your hand down to push off the deck (see how often you use your hand to push your ass off the deck when you tack)[/quote]
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