I agree, email them. They have answered my queries in the past quite promptly.
Based on my older 7 speed 135mm OLD rear wheel on a Univega there is some dish required but it is quite minimal compared to most 8, 9 or 10 speed 130mm OLD road wheels. With the use of a hub with narrow enough flange spacing distance a dishless 7 speed rear wheel could be built but it looks to me like the flange spacing would be a bit narrow for the best wheel strength.
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Gear Hubs Owned: Rohloff disc brake, SRAM iM9 disc brake, SRAM P5 freewheel, Sachs Torpedo 3 speed freewheel, NuVinci CVT, Shimano Alfine SG S-501, Sturmey Archer S5-2 Alloy. Other: 83 Colnago Super Record, Univega Via De Oro
Visit and join the Yahoo Geared Hub Bikes group for support and links.
http://groups.yahoo.com/group/Geared_hub_bikes/