DH and I both have the Garmin 301. It has some cool features - set up for running, biking or other, but you have to change the settings for each sport. You can set different max HR for each sport, also, not that I know how to do that!

We have sometime seen spikey HR's being reported - we doubt that DH hit 240 in his last mild road ride, so we think there is some disturbance from an outside source....I am hoping that all HRM's do this from time to time.

I like that I can have custom screens - so I can view time, HR and elevation or whatever combination of stats that I want.

Here's one of my rides:
http://trail.motionbased.com/trail/activity/2423139

No cadence meter on this one, though.

Have fun deciding!

H&B
~T~