I use the Campy Protons and started on them at 280 pounds. After 2 years I took them in to be checked and my mechanic commented on how straight they were. He couldnt believe how well they hold up. I now have a set on both road bikes.
__________________
and the road becomes my bride
I have stripped of all but pride
So in her I do confide
And she keeps me satisfied
Gives me all I need