In the link I included above, if you click back to the first page, Adams Hudson mentions using Deltrin wheels and being happy with them. Maybe PM him to see if his experience has changed over the last year.
Cheers!
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.