I was reading popop's blog today and say his post for a new challenge cache.
Days of the Year Challenge
Mike had nearly 90% I only have 64%... at least I do have a February 29 so I won't have to wait till 2012, but with the way I do things it will probably take even longer then that. I do have enough local caches saved up that I could potentially complete this, but the soonest would be October 2, 2010. Here is my chart.