The Campagnolo Vento G3 wheels on my '06 Bianchi are still going strong. New ones (same name, newer model) are available from Wiggle for $215 with free shipping to the U.S.

wiggle.com | Campagnolo Vento Asymmetric G3 Wheelset | Road Race Wheels

...just mentioning it since it might a cost-effective option if a 24-spoke rear will work for you.