First one: LDS... I know, but I was young and dum.
Second one: eBay - killer, killer deal.
Third one: TDS - very, very good deal.
Suunto and Vytec have no post-warranty service. Meaning: if it fails after warranty (a few years down the line) its a hockey puck. They simply don't fix them, ever. They'll exchange them under warranty, and after that, it sucks to be you.
No exchange program, no upgrade program, no nothing, squat. Thank you for your original purchase, you're a customer for 2 years, then a stranger to us. OY. Because there is no effort on Suunto's part to even offer any post-warranty support, and because I've had three of these now last at least 3 years each (one is on year 4), and many friends have also had similiar 3+ year useful lifes, I have no issue shopping for price on these things. Get the very, very best price you can and blow off Suunto's dealer hocum.
eBay and TDS are your best places. Never pay more than $400 for one without a transmitter, and never ever pay more than $800 for one with the transmitter. You'll be flushing cash - they're easy to find at those prices... usually better.
Anyone need a prop Vytec? I got one.
$^#$%@# Suunto
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Ken