Was I sleeping? When did the new, waterproof <a href="https://buy.garmin.com/shop/shop.do?pID=27335&ra=true" target="_blank">Garmin Forerunner 310XT</a> show up?

I've been using a Garmin 301 for the past 3 years. I've been very happy with it. Yah, the GPS could be better, but I like the fact that I can show my kids that yes, Mom CAN walk on water!<br><br> Son is starting to get serious about du's. Not sure I want to get him a new HRM/GPS unit. But, got...