[quote=arch]a couple of years ago, i bought a garmin forerunner 205 at walmart for $125. here is some info from walmart for the 305 model.
http://www.walmart.com/ip/Garmin-Forerunner-305-GPS-Receiver-With-Heart-Rate-Monitor-010-00467-00/4601003
there are newer versions but i've been really happy with this wristwatch. what you want is something that's hands free, not in your pocket or on a lanyard where you have to let go of a sheet or tiller to get it out, just twist your wrist over and look at the watch.
this watch can show your present speed, your maximum speed (which is important because you may not want to look down when you're screaming along!) the time of day, all on the same screen. when you're done, plug it into your computer and download the data to google earth and it shows a red line tracing your path right over the aerial photo of your lake. it also graphs your speed and time on a chart.
it does all the things a runner or biker would need as well and it's waterproof to the depth we go when capsized (or so i've heard, cause i never capsize.......)
if you drop something in the water, you can hit a button on the watch to mark your location and it will direct you back to the same spot using arrows for direction and distance. use it for hiking to make sure you can return to the place you started. i can't remember everything it does but it has so much more power than the speedpuck for the money.
read all it can do in the manual, which is probably online somewhere.
have fun!<!-- editby --><em>Edited by arch on Feb 01, 2012 - 09:14 PM.</em><!-- end editby --> [/quote]
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