How about these? Advan RS - clean, simple, 9 straight spokes (I think
), strong and able to get a good flush fit with concavity.
Oh, yes, that's me at NJMP a couple weeks ago.
Either the Advans or the ADV5.1
http://www.adv1wheels.com/1piececoll...ce-ADV5-1.html
Looks like they list 18x8.5 and 10". Check out the pics, there are a couple of E9Xs. Not sure about the diameter shown, but I know the white car is running 20". Definitely a sweet wheel! They may make a cast version of this wheel, but I'm not sure if they're doing 18". Check the vendor section.