This is the C.H. Ellis case that is likely the OEM for most of the other brands. Link:
http://www.biketoolsetc.com/index.cg...em_id=HW-9252B
Hard to tell you what tools you would need, depends on the type of events. Charity rides vs. mountain bike races might warrant slightly different tool kits.
Another link to all the tool pallets that go in the case, you might want to figure out the tools before buying pallets so you get the right ones:
http://www.biketoolsetc.com/index.cg...&sc=Tool-Cases