I really like the Insights reports which compares my activity to other Garmin users...as far as they go...
Here are a couple of suggestions for taking it a bit further
1) For average pace report - create further breakdowns by distance.. E.g average pace for 10km runs / average pace for 5 km runs etc. For those of us training for races - this will help us see where we are against others.
2) active calories report -- include one