Interesting. I googled for some online stuff but there's so much out there, I'm not sure what's worth the effort. Or even if it's worth the effort. I'm not using a HRM now. It's good to hear what others are using.

To answer Becky, what are you going to do with it... well, when you get older, you look back at it, reminisce and say, "Holy crap, did I really do that? A metric century in 2 hours! Man, to be young again!!" I'm kidding of course. About the 2 hour century, not looking back on your entries. For the short term, it's nice to chart my progress but yes, when I spent those 10 years off of the bike, it was cool to see what I was once capable of.