Would a wheel set like this work for you? They are on ebay right now, from a good seller (Rocky Mountain Cyclery). I have bought two sets of 700c touring wheels from them and both seem to be top quality.

From the listing:
item # 200394976642
current bid $10.50 with 1 day and 9 hours to go.

Hello, here we have a brand new Custom Hand Built 26" Mountain Bike Disc Wheelset! 2008 Shimano XT M756 rear and RMB 20mm front 32 hole black 6-bolt hubs laced to super tough Mavic X317 eyeleted disc rims using black anodized 1.8 straight gauge spokes with brass nipples.

Rear hub is set at 135mm and the precision XT freehub will hold a 7, 8, or 9 speed cassette.


Total wheelset weight is:

1880 grams

Each wheel was custom laced in a rock solid 3 cross pattern and trued to pro perfection. Wheels will come professionally packed and shipped in a real wheel box.