Church Relevance has release its picks for the 90 top church web sites. The blog post below explains that they are based on design, usability and innovative ideas. That still sounds very subjective to me, but once you look at some of the sites in the list, there is no denying that we can all learn a good deal from these web site designs.
I am just not a fan of drop down menus. I think they should be avoided at all cost. They don't always work in every browser and they can become a usability and accessibility issue. Jeffery Zeldman sums it up nicely: http://bobchristenson.tumblr.com/post/38016909/when-i-see-a-drop-down-menu-i-know-that-a