you inspired me to look for ideas, since ours is a wreck, and check out everything available:
http://www.builderssquare.com/shop/results.aspx?Kw=garage+organization. 350 choices in garage organization! i'll probably go with some basic metal build-it-yourself shelf units, and probably a few bike hangers, a ball storage rack, a tool organizer, and a garden tool rack. i'm focusing on getting things off the floor and onto the walls so my cars will fit without obstacles.