Came across this site but not sure how accurate these numbers are but for fun, what performance standard are you?
http://www.exrx.net/Testing/WeightLi...Standards.html
The five exercises:
Press
Bench Press
Squat
Deadlift
Clean
The five levels:
Un-trained
Novice
Intermediate
Advanced
Elite
I'm working my way towards novice on everything. Haven't tried the power clean yet but it looks like an awesome exercise.