I totally changed mine around based on the feedback above, a couple blogs (thanks for the link), equipment I have now, and what I think I will / might want in the future (to leave some room for additional data down the _ahem_ road).
For those interested, my current data page setup (subject to change, of course) is as follows:

Page 1 (8 parameters with the idea that I will remove one* as I get accustomed to HR)
Time | Distance
Speed | Avg Speed
HR* | HR Zone
Avg Lap Time | Time of Day

Page 2 (5 parameters - hills)
HR Graph
Grade | HR Zone
Elevation | Total Ascent

Page 3 (6 parameters - summary / less critical general)
Avg Speed
Max Speed
Avg HR | Calories
Avg Cadence | Temperature