I hear where you're coming from and I've done the research as well as the searching, sites like wheel-size.com, rimsntires.com and tacomaworld.org have been a big help. The issue is (pertaining to Volvo S60 wheels) is that the center bore is 65.1mm where as the TransCon's is 63.3, at this point a wheel ring (hub-centric) or a wheel spacer would be needed.
According to our dealership.. if we use anything larger that 63.3 (center bore) this could cause undue stress on the barrings etc and Ford will not cover this. My point here is.. that no one (American or Europe) has stepped up and supported my questions or concerns.

At first it was the wheels width, then it moved to the bolt pattern (roadkillcustoms.com) helped me figure out what bolt pattern we have.. Then there is the bolt pattern's depth.. Center bore etc the list kept growing and nothing was fitting as it should be. Last it was the Offset.

One point I selected 2 different Volvo wheels, but one has a larger center bore, while the other has a weird offset. If you see a tread here, you're not alone.. Nothing was meant to fit on the TransCon other than 3 wheels ford offers for it. 5 months of searching almost down the drain.. until BraidUSA stepped in after wheelpros, 4wheelonline & 1010tire all failed to offer clear cut and precise advice often they were caught double talking because too many became involved.

As I said above.. I think I'm in good hands now.. it's just a matter of time before BraidUSA has an official answer to all our questions and concerns about what wheel and tire is best suited for our van. Mind you I wanted something rugged/custom not something already run of the mill.. true the BraidUSA wheels have been proven on the track and off road during rally racing.. and BraidUSA is actually open to the idea of having their wheels on our van, Paul via BraidUSA even drives the larger Transit Van with the BraidUSA wheels.