I've seen that the Ultegra/Mavic Open Pro combo makes for a solid wheelset. Are the ones built up by Performance Bike going to be different than those from another shop or custom builder?
Shimano Ultegra 6600/Mavic Open Pro Black Wheelset
what makes this wheelset different?
Shimano Ultegra 6600/Mavic Open Pro CD Wheelset
They don't mention the spokes used, is that a concern?