Or if you want something straight from nature you can drink Coconut water... I like ZICO which is flavored with a little passion fruit and orange peel. yum. but ya gotta like coconut.
That sounds great! Wonder where I can find some? I'll check the Fresh Market on the way home.

When they talk about accuracy of a HRM, they're talking about how accurately it reads and records your heart rate.

Calories burned is another thing. Here's a pretty good archived discussion on the subject from the bikeforums board.
Cool - thanks! I'll check it out.