Originally Posted by TandemGeek
No virtual cadence, but I've never quite figured that one out... I never take my eyes off the road when decending which is where I often times hear folks find it of use as they get ready to start pedalling and try to optimize their gearing.
When I'm interested in cadence, I'll switch the flight deck to show cadence in the large numerals at the top of the screen, where road speed usually appears. This helps quite a bit if you want to glance only briefly at the 'puter. Also, even if you don't "read" the number, a quick glance can, for example, distinguish between two- and three-digit cadences (i.e., below or above 100rpm) if you need a coarse bracketing.
Actually, I find myself leaving the computer in this mode most of the time these days.
As to when to take the eyes off the road, that's a decision with many variables, of course...
-Greg