What would probably suit you down to the ground would be an older arabian, say 15 or 16 and for some reason I keep thinking "mare". I hope you used the same colour test tho',
the colours in the one I used are green, blue, gold and orange. Kalil's Personality Quiz
If you really fancy an off track TB, go for a smaller one, and go for one that was a terrible racer, refused to pass, ran slowly, retired after one or two races. They are the *clever* ones who stay safe and tend to make the kindest, nicest, happiest riding horses.