Actually. If you are buying the hubset you should buy it from IRO directly for two reasons.
#1 - It is cheaper.
#2 - Tony (Tony is IRO) is a hell of a guy according to the folks around here and it's good karma to help out a small time businessman out instead of a huge soul-sucking corporation like Nashbar.

I know that my next wheelset is sure going to have IRO hubs. They look great, they're cheap and they are super smooth according to just about everyone.

edit: here is a link: http://www.irocycle.com/