After failures of my stock rear wheel and a Mavic Ksyrium Elite, I decided to get a custom wheelset built. I went with ProWheelBuilder.com. They were amazing to deal with and I couldn't be happier with the wheels. They have been bullet-proof so far:

Rims - H+Sons SL42 (28 hole front / 36 hole rear)
Hubs - White Industries T-11
Weights (wheels only) - Front = 890g / Rear = 1,100g