Just back from a six day trip to the World... with a tribe of 9, including 4 kids. In case you're interested in the details and are wondering how much is feasible to do, or just want a laugh check out my trip report... feel free to ask any questions you may have...
minmate
http://disboards.com/showthread.php?s=&threadid=590938
minmate
http://disboards.com/showthread.php?s=&threadid=590938