You might find some value in this thread:
http://www.pprune.org/forums/showthread.php?t=244431 .
For what it's worth, I was taught that when the grass/texture in the tarmac begins to rush up at you, that's when you start pulling back to check your decent rate.
Walked away from every landing since. When I started microlight flying, though, it scared the hell out of my instructor.