Really really awesome site. Shoulda come up with a main thread on mobile marketing and knowledge sharing sorta thing. I've been having minor success from building mobile sites with plenty of company. especially restaurants and any thing to do with service sector.
Just my 2 cents worth from my humble experience, a few of my successes comes from heading down to the restaurant of a family owned business/ quick snack bar's for a meal and then casually taking out my phone to ask if they place any directions on the site, and from there we proceed to asking if they knew about mobile web optimization and the subtle sales pitch begins. =D