I vary between 95-100kg and I've been commuting 20 miles/day on Fulcrum 5's with no problems for best part of 3 years.
No problems*, never needed truing and run better now than when I first got them. The roads round here can best be described as "F&*king Knackered".
* The rear wheel hub split at a spoke hole after < 200 miles, this was down to a manufacturing defect and was replaced under warranty.