Remember, most of the menthol flavors of liquids are just menthol but from smoking you are used to a menthol tobacco flavor which is not the same. This was the realization I came to after some thought. I would think most menthol flavors are going to be to 'mentholy' for you if you are just switching.
Look at menthol tobacco flavors. I am liking this one so far...
http://sweet-vapes.com/2011/03/09/menthol-kame/
But I also found this place has a big selection of menthol tobacco flavors but I havnt ordered any yet to say if they are good or not.