grant/nardi steering wheels

yea i was wondering if somebody could give me some info about a new all-wooden steering wheel. roughly how much would one of these wheels run, and how much would installation cost? where can i see pictures of different models, the grant site doenst have shit for pictures of wooden wheels- they got 1 model thats it!! i know theres more than that.....somebody point me in tha right direction, thanks in advance.