#29 and #30 are intriguing. We' d like to see something from you that's a little softer. As well, the design element should be monolithic ... the "M" should be joined. #28 although plain is highly legible and easily readable. That is of paramount importance. The logo must be easy to read if someone is whizzing by in a car and only has a few seconds to glance at the logo on a sign.