You end up getting tubulars? I've got one race on my Williams aluminum wheels and Challenge Grifos. Love them.

http://williamscycling.com/cyclocross_tubular.html ($400 USD)

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2013 Wilier Cento1 SR || 2009 Ridley Crossbow || 2011 Yeti AS-R 5 Carbon

Yes on the tubular wheelset. Having 2 sets built locally.
Build sheet:
24 spoke radial front, Sapim Lasers
28 spoke cross 2, Sapim Lasers, Db-14 drive side.
KinLin TB-25 niobium tubular rims.
Alloy nipples.
SuperLight hubs, with wide flange front hub.
Weight: 1420 grams.
Tires:
Challenge Grifos 32
Tufo Cubus 32
TBD on how low i can go on psi. Perhaps 35f/38r.