Great posts, I am lovin the experiences and averages, seems I am being realistic which is good. I should really start racing but bit nervous about doing that, also I want to be fitter before I even consider that.
My averages were taken from my Garmin Edge 500.
I must point out I use the 'moving average' as I always get stuck at lights, roundabouts etc on the way to work.
I took the first 10 readings from sept last year and then my last 10 readings and typed them into....
http://easycalculation.com/statistics/m ... -mode.php
Not scientific I know but gives me a ballpark figure to benchmark.
Reading up on the 7900 C50 carbon wheels it seems you can hold flat speed for longer periods and go down and extra gear with same amount of effort, I hope thats true.