Didn't Mitch Delfs ride both Tomac and Morewood, so wouldn't you class both those as race machines?
Just a comment because I don't have any experience with either obviously. I remember he broke a few frames too, not sure which brand though.
What are you saying, you obviously don't want a "house" brand but you don't want a "purebred pedigree" model either, you're looking for middle range stuff possibly boutique to be a bit different still?
I don't know, I'm as far from Race as you can get, so not considering the Giant's, Kona's, Specializeds and Norcos something like Transition TR450 strikes me as the middle ground material?